Question

Simply
(1/7)^2 =

Answer 1

=1/49

Answer 2

1/49

Answer 3

1/49

Answer 4

whenever you have a fraction raised to a power, you can split the fraction as so
\[\large (\frac{1}{7})^{2} = \frac{1^{2}}{7^{2}} = \frac{1}{49}\]