Write $7^{ - 2}$ as an ordinary number.
A) $\frac { 1 } { 14 }$
B) $\frac { 1 } { 49 }$
C) -14
D) 49

Name: Write $7^{ - 2}$ as an ordinary number. A) $\frac { 1 } { 14 }$ B) $\frac { 1 } { 49 }$ C) -14 D) 49
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Question

Quizplus · Accepted Answer

To write $7^{-2}$ as an ordinary number, we need to remember that a negative exponent means the reciprocal of the base to the positive exponent. Therefore, $$7^{-2}=\frac{1}{7^{2}}=\frac{1}{49}.$$ So, the correct answer is B.

Write 7−27^{ - 2}7−2 As an Ordinary Number 114\frac { 1 } { 14 }141​

Write $7^{ - 2}$ As an Ordinary Number $\frac { 1 } { 14 }$