Can you guys please help me? I understand everything but the last step.

Question

asked May 25, 2021 88.6k views

1 Answer

Joshie · Answer 1 · 2021-05-29T09:08:41+0000

Answer:

It is because you have to get rid of the power of 2 from c. In order to get rid, you have to square root it on both sides :

c² = 74

√(c²) = √74

c^(1/2×2) = √74

c = √74

Using Indices formula, (a^m)^n = a^(mn)