What does taken/take for granted mean?

take for granted 1. Consider as true or real, anticipate correctly, as in I took it for granted that they'd offer to pay for their share but I was wrong. [c. 1600] 2. Underestimate the value of, become used to, as in The editors felt that the publisher was taking them for granted.

step-by-step explanation:

if x = 2 you have to find x to finish the problem

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify