Answer:
1/72
Step-by-step explanation:
Not entirely sure but i do hope it helps
Ok, 8^(-5) divided by 8^(-3) would be 8^(-5-(-3)), because when you divide numbers with the same base, you subtract the exponents. That would be 8^(-2), which I suppose is A
Answer: 11.667
Step-by-step explanation:
The formula to find the test statistic for chi-square test is given by :-

Given : Claim : 

Then , the standardized test statistic will be :-

Hence, the standardized test statistic 
Well 106 divided by 7 is 15 so 15 times 7 is 106