Question

Explanation and answer to 9•9•9•9•9•7•7? will it be 9^5×7^2

Answer 1

2893401

Explanation:

$9\times9\times9\times9\times9\times7\times7$

The above is the same as:

$\begin{gathered} 9^5\times7^2 \\ \text{This because 9 is in 5 places and 7 in two places} \\ 9^5\times7^2\text{ = 59049}\times49 \\ =2893401 \end{gathered}$

Yes, 9*9*9*9*9*7*7 will be 9^5×7^2 .