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galben [10]
3 years ago
10

What is the multiplicative inverse of -27 and what is the multiplicative inverse for 7/9 and -9/16

Mathematics
1 answer:
liberstina [14]3 years ago
3 0

The multiplicative inverse of a number is the number when you multiply it, it gives you the product of 1.

So for - 27, what number will give us 1 when we multiply it by -27

-27 * -1/27 = 1

So the multiplicative inverse of -27 = -1/27

7/9 * 9/7 = 1

-9/16 * -16/9 = 1

So in essence, just take the number and flip it

-27 = -1 / 27

7/9 = 9/7

-9/16 = -16/9

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