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2 votes
Which expression is equivalent to 7^3 * 7^-57

a. 7^2
b. 7^7
c. 1/7^2
d. 1/7^7


User Chindit
by
7.2k points

2 Answers

2 votes

Answer:

c. (1/7^2) is the answer

User Alvin Varghese
by
7.1k points
3 votes

Answer:

c. 1/7^2

Explanation:

As,


{7}^(3) * {7}^( - 5)


= {7}^(3 - 5)


= {7}^( - 2)


= \frac{1}{ {7}^(2) }

User Sanjita
by
7.1k points