Answer step-by-step explanation:
We know that the critical t value for a 98% confidence level for a sample of size n = 18:
Finding degrees of freedom (n-1) = 17
-search the information in table t for 0.98 and find that t = 2.567
Answer:

Step-by-step explanation:
If each whales weighed

Then 30 whales weighed



Applying the law of indices we obtain


Answer:
xy=3/4
Step-by-step explanation:
since it says the "product"
it is x(y)
3/4 goes after the = sign
Answer:
A. quotient of Powers
Step-by-step explanation:
hope it helps