We have been given an expression
. We have been given steps how Chris tried to solve the given expression. We are asked to choose the correct option about Chris's work.
Let us simplify our given expression.
Using exponent property,
, we cab rewrite our given expression as:


Now we will use exponent property
to further simplify our expression.


Therefore, Chris made mistake in step 2.
Answer:
1/16
Step-by-step explanation:
Both 5 and 80 can be divided by 5.
This reduces the ratio of 5/80 to 1/16.
got u
Step-by-step explanation:
the answer is 10x+20
Obtuse
The angle is larger than 90° but smaller than 180°
-1^3 - -1^2 +1= -1. ...........