9^2/9^7
when dividing powers, we subtract the exponents
9^(2-7)
9^ (-5)
a negative exponent flips from the numerator to the denominator
1/ 9^5
Choice D
The result can be shown in both exact and decimal forms.
Exact Form:
2
3
Decimal Form:
0.
¯
6
Answer:
see image
Step-by-step explanation:
The two circles will represent "starter" or "pudding" people and the overlap are both, but also don't forget people who chose neither. There must be 3-neither people. Because 6+7+8 only add to 21 and the question said there were 24 people.
Well you find how much the error was and divide it by the amount he predicted.
30/230= 0.13 0.13=13%