Because 81 can be equally divided by 3. 81/327 Read More. Asked in Math and Arithmetic, Algebra What x 4 equals 81? You calculated by doing 81 divided 4, it will equal 20.25 Read More. Oct 25, 2016 · What is 81 divided by 3 only using the distributive property in division with no remianders? Unanswered Questions. What are volcanic rocks and how are they formed? Aug 16, 2019 · several have shown you the math. 8 1/2 divided by 3 = 2 5/6 in. but few is any rulers show where 5/6 would be. my rulers have 4ths 8ths and 16ths. some even 32nds.
81 is a multiple of 3. The answer to 81 divided by 3 is 27. 81 / 3 = 27 or 3 / 81 = 0.037 R 81 Divided by 27 is equal to 3. May 06, 2018 · What is 10.81 divided by 2.3? Algebra Properties of Real Numbers Division of Rational Numbers. 1 Answer Patrick H. May 7, 2018 The answer is 4.7. Related questions. How do you divide rational numbers? How do you divide rational numbers in fraction form? What is the rule in dividing positive and negative rational numbers. What is 81 divisible by? In others words, what can you divide 81 with and get a whole number? To be more specific, by which integers can you divide 81 and get another integer? Below, we list what numbers can be divided by 81 and what the answer will be for each number. 81 / 1 = 81 81 / 3 = 27 81 / 9 = 9. Mar 17, 2018 · This video is unavailable. Watch Queue Queue. Watch Queue Queue. Math Central: Quandaries & Queries: Question from Victoria, a student: I do not understand how to turn 81 into the power of three. Please help. Thank you so much, victoria. Hi Victoria, First divide 3 into 81. 81 ÷ 3 = 27 so 81 = 3 × 27. Next divide 3 into 27. 27 ÷ 3 = 9 so 27 = 3 × 9 and hence 81 =3 × 27 = 3 × 3 × 9.
But 807978.321 = 8180/2=8140 is divided by 9 actually, by 81. Therefore the number in parenthesis is divided by 9 and hence N is divisible by 81. Problem 2. Prove that the number 1010101.0101, 81 ones and 80 alternating zeros, is a multiple of 81. Solution to Problem 2. As before, let N denote the number at hand. Answer to: What is 81 divided by 9? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also ask your.
Okay here is my answer with my awfully messy writing.Here is defination about what i did 1At the begining they have same base which is 10 so I converted the logarithm into useful shape with using Logarithm base change The base b logarithm of x. To reduce a fraction to the simplest form, try our Simplifying Fractions Calculator. How do you add fractions? Example: For adding the fractions 1 / 3 and 1 / 5, you must first modify the fractions so that the denominators are the same.For these two fractions, the result would be 5 / 15 and 3 / 15. The second step is to add the numerators of the two fractions to find the numerator of the answer. The answer to the question: What is 81 divided by 9 is as follows: 81 / 9 = 9. Instead of saying 81 divided by 9 equals 9, you could just use the division symbol, which is a slash, as we did above. Also note that all answers in our division calculations are rounded to three decimals if necessary. For example, 2/3 is in lowest form, but 4/6 is not in lowest form the GCD of 4 and 6 is 2 and 4/6 can be expressed as 2/3. You can do this because the value of a fraction is not changed if both the numerator and denominator are multiplied or divided by the same number other than zero.
Jun 19, 2008 · 3 x 3 = 9. ect. the 1, 4,9 are the square numbers. The radical wants to know what number is multiplied times itself to get the square number. so when asked √ 81 you are wanting to find what number times itself will give you 81. That would be 9 x 9 or - 9 x - 9. Divide Two Numbers - powered by WebMath. This page will show you a complete "long division" solution for the division of two numbers. The answer to the question: What is 81 divided by 0 is as follows: 81 / 0 = 0. Instead of saying 81 divided by 0 equals 0, you could just use the division symbol, which is a slash, as we did above. Also note that all answers in our division calculations are rounded to three decimals if necessary. Algebra Examples. Popular Problems. Algebra. Simplify x^4-81/x3 Simplify the numerator. Tap for more steps. Rewrite as. Rewrite as. Since both terms are perfect squares, factor using the difference of squares formula, where and. Divide by. Expand using the FOIL Method. Tap for more steps. The answer to the question: What is 80 divided by 3 is as follows: 80 / 3 = 26.667. Instead of saying 80 divided by 3 equals 26.667, you could just use the division symbol, which is a slash, as we did above. Also note that all answers in our division calculations are rounded to three decimals if necessary.
Practice: Divide mixed numbers. Dividing fractions review. This is the currently selected item. Next lesson. Dividing fractions word problems. Tags. Dividing fractions. Divide mixed numbers. Our mission is to provide a free, world-class education to anyone, anywhere. Conversion a mixed number 3 3 8 to a improper fraction: 3 3/8 = 3 3 8 = 3 · 83 8 = 243 8 = 27 8 To find new numerator: a Multiply the whole number 3 by the denominator 8. Can be used to divide mixed numbers 1 2/3: 4 3/8 or can be used for write complex fractions i.e. 1/2: 1/3. No, 81 is not a prime number, it is a composite number. Why 81 is not a prime number? Because 81 has divisors rather than 1 and itself. 81 can be divided by 3 and 3. Prime factorization of 81 list of divisors:. 3. Below is the process written out in full. 4 − 0 = 4 Now we subtract the bottom number from the top number. Bring down the next digit of the dividend. 42 ÷ 25 = 1 remainder 17 Divide this number by the divisor. The whole number result is placed at the top. Any remainders are ignored at this point.
2^81 = 2^80 2 = 4^40 2 = 5–1^40 2 Expanding 5–1^40 using binomial theorem, the number can be represented as 5k1 2, where k is a constant. So, 2^81 = 5k1 2 Therefore, the remainder when this number is divided by 5 is 2.
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