Answer:
x = 56
Step-by-step explanation:

7.7m is more precise because it has a decimal after it
Answer: OPTION C
Step-by-step explanation:
Remember that:
![\sqrt[n]{a^n}=a](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7Ba%5En%7D%3Da)
And the Product of powers property establishes that:

Rewrite the expression:

Descompose 18 and 32 into their prime factors:

Substitute into the expression, then:

Finally,simplifying, you get:

First is pears ,next is apple, and the last is oranges. 3,900, 3800, 3500. I hope that this helps.