Easy, the second one. Both figures seem congruent.
Answer: It dosn't show anything for me. did you post it?
She should use 13 factors.
All 13 factors are the same thing . . . 7 .
7^13 should be written as 7¹³ .
It means: 7·7·7 · 7·7·7 · 7·7·7 · 7·7·7 · 7
They can be expressed as fractions
they have positive values and can be expressed as terminating decimals.