Question

pls help also follow i have 3 more questions coming

Answer 1

The answer is the first one.  

Answer 2

Answer:

SIMPLIFY THE VALUE :

(5² × 7⁴)^10

$( {5 {}^{2} \times 7}^{4}) {}^{10} \\ \: \: ({5}^{2} ) {}^{10} \times ( {7}^{4} ) {}^{10} \\ \: ( {5}^{20} \times 7 {}^{40} )$

your option 1 is correct..