Answer:
300,000,000 or three hundred million
Step-by-step explanation:
The right amount to test would be 30.
200 is to many kids and 12 is not enough.
Hope this Helps!!
Answer:
50%
Step-by-step explanation:
3450 - 2300 = 1150
1150/ 2300 × 100 = 50
Answer:
(1/3)⁷
Step-by-step explanation:
negative exponents work like this:
x⁻²=(1/x)²
Apply this theory to this equation:
3⁻⁷=
(1/3)⁷