Answer:
8
Step-by-step explanation:
Esitmate:
9 /3 = 3
and
8-4 = 4
so it would be 3x10^4
answer is C
anna plis jangan tanya saya 1×7=7
Answer:
$1344.31
Step-by-step explanation:
1111*0.11*11=1344.31
Answer:
b. Invalid, because the sample may not be representative of the population.
Step-by-step explanation:
A sample of around 10% of the population is needed to be representative.
In this question:
We have a population of 500,000, and a sample of 10,000.
10,000/500,000 = 1/50 = 0.02 = 2% of the population, so not representative, and option b is correct.