Answer:
Step 2 because Richard multiply the powers of same base in denominator instead adding powers of same base.
Step-by-step explanation:
We are given that Richard simplified an expression in threes steps
We have to find the incorrect step in simplification of Richard
Step 1: all the exponent are multiplied by 3

Step 2:The exponents in the denominator are multiplied

Step 3:The exponents of the same base are subtracted during division


Richard makes mistake in step 2 when we multiply then power of same base should be added but Richard multiply the powers of same base in denominator.
B. A smaller percentage of second-lunch students (38%) eat outside.
D? D just makes the most sense i suppose
It is a right triangle, angle bmw
Answer:
(84)^(1/2) cm
Step-by-step explanation:
See attached