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torisob [31]
3 years ago
15

Which expressions are equivalent to 4^-2 times 7^-2

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Step-by-step explanation:

= {4}^{ - 2}  \times  {7}^{ - 2}

=  {(4 \times 7)}^{ - 2}

=  {28}^{ - 2}

=  \frac{1}{ {28}^{2} }

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