Q: How can you use a reciprocal change a division problem into a multiplication problem?

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Division is the multiplication by the reciprocal or multiplicative inverse. In simpler language, to divide by a fraction change the division sign to multiplication and flip the fraction.

A reciprocal is when you take the second fraction in a division problem and flip it Then change the sign to multiply. THIS ONLY WORKS WHEN YOU ARE DIVIDING FRACTIONS!

In dividing fractions you have to change division to multiplication and change the second fraction into a recipracol(flip the fraction.

keep change flip - which means keep the first # - chage the division sign to multiplication- The reciprocal means flip the 2 # ex.7/2-2/7.

first, change the division sign to a muliplication sign. then change the second number in the problem-change the numerator to the denominator and the denominator to the numerator. then multiply the top numbers and bottom numbers like regular multiplication.

For addition, subtraction, division and multiplication with other fractions

Not if the fraction is positive. But yes if the fraction is negative. Study the rules of multiplication and division by integers, and you wil see why. Multiplication by a fraction is simplty multiplication by one integer followed by division by another (or the other way round).

You could change it into a multiplication problem

Multiplication and division are both alike because they use the same numbers so for example if you had the operation 5x3=15 and you wanted to turn it into a division equation all you do is flip the multiplied equation around and change the sign..15÷3=5. Hope this helped you.

when you divide fractions you need to flip the second fraction to get the reciprocal eg. 4 over 5 would be 5 over 4 then after you flip the second fraction you change the division sign into a multiplication sign and you multiply.

the reciprocal change in dna is called recombination! YOUR WELCOME!

Nothing. Multiplication is commutative and associative.Nothing. Multiplication is commutative and associative.Nothing. Multiplication is commutative and associative.Nothing. Multiplication is commutative and associative.

Whenever you divide fractions, you're supposed to multiply by the reciprocal. So, in this case, you make the division sign a multiplication sign and change the 12/5 to 5/12. The question would then by 6/7 times 5/12. The answer is 5/14.

Flip the fraction around (the one after the division sign) and change it to a multiplication sign. (swap the numerator with the denominator) so 2/(3/10) = 2*(10/3) The reason you do so is if you think of multiplication and dividing revolving around the number 1, in multiplying if you are above 1 then you are increasing if you are lower you are increasing. The opposite is the same of division. Effectively, if you think about it multiplication is the inverse of division and the other way around as well, so by flipping the fraction you are inverting it, so instead of dividing by 0.5 you multiply by 2. I hope this makes sense, it could be shown algebraically, but it is probably easier to understand this way.

Associative Property is a multiplication problem that you can change the numbers around and still get the same product (total/answer).

When you divide fractions you want to change it to a multiplication problem. You do this by changing the second fraction to its receptorial and change the division sign to a multiplication sign. Here is an example: 8/10 divided by 3/5 *first switch it to multiplication 8/10 times 5/3 *solve 40/30 *simplify 40/30=4/3 or 1 1/3

The reciprocal is the inverse of a number, or n-1. To find a reciprocal, change the number to a fraction and invert the numerator and the denominator.

Fractions are division problems. The line in a fraction can be read as "divided by." 2/3 is actually 2 divided by 3.

That would be the associative property. The associative property applies to addition and multiplication, but not to subtraction or division.

The commutative property of multiplication says that the numbers in a problem can change, but the answer will stay the same.

They may be used to denote a function. They are also used to change the order in which the operations of index (exponentiation), division or multiplication, addition or subtraction are carried out.

Inoovation in response to a change.

You change the sign of the exponent. For example, the reciprocal of 2 to the power 8 is 2 to the power -8. Alternately, you can change the whole expression to the denominator. In this case, the reciprocal of 2 to the power 8 is 1 divided by (2 to the power 8).

The commutative property of multiplication.

http://www.mathsisfun.com/multiplication-table-bw.html this is a printable multiplication table. Multiplication doesn't change no matter what grade so just leave the chart as is.

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