Math 115 12

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Find the reciprocal of (-1/7) (21)

• Math 115 12 -

The product of those numbers is -3, and the reciprocal of that is -1/3.

You could also compute it as the product of the reciprocals, (-7)x(1/21)

• Math 115 12 -

sorry i don't understand

• Math 115 12 -

The reciprocal of a whole number is "one over" the number, expressed as a fraction. For example, the reciprocal of 2 is 1/2.

The reciprocal of a fraction is the same fraction, upside down. For example, the reciprocal of 2/3 is 3/2. Now do you understand?

• Math 115 12 -

This site may help you understand reciprocals.

• Math 115 12 -

so my answer is:
7/1 and 1/21 correct

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