What makes this statement true? 7^-2

Question

Mathematics

Keith Estrada

25 September, 18:04

What makes this statement true? 7^-2

+1

Answers (2)

Know the Answer?

Lizbeth Serrano · Answer 1

Lizbeth Serrano 25 September, 19:09

0

Anyone got the answer?

Ana Huang · Answer 2

The negative power means 1/the number to the given power

This means that 7^-2 can be rewritten as 1 / (7^2)

7^2 = 7*7

Therefore:

1 / (7^2) = 1 / (7*7)

7*7 = 49

Therefore:

1 / (7*7) = 1/49

Based on the above calculations:

7^-2 is equal to 1/49