Question

How to do question 15 part (b)

Answer 1

Square root of

-0.8•0.16
--------------
2^ - 5.5

Answer 2

You type it into a calculator. common mistake is to not use parenthesis on calculator. A calculator can't tell what you are dividing or is in cube root unless you add parenthesis. So either put parenthesis around top/numerator to include all in cube root divide by parenthesis around bottom/denominator or calculate separately, and divide.

answer to 1 sigfig is: 0.3