Answer:
-36
Step-by-step explanation:
‐13−23= ‐13 + (-23) = -36
Both 13 and 23 have negative sign. So if two numbers have the same sign, we have to add and put the same sign.
There is a difference because in the spring, there may be more days of rain, therefore that would increase the mean for the spring compared to the other days.
Answer:
No because both of them mosquito got attracted to them
The average number of fish per cubic kilometer is
.
The correct option is B.
Given
The volume of one of the Great Lakes is 3.5 × 103 cubic kilometers.
The number of fish in the lake = 6. 3 × 107.
<h3>What is the average value?</h3>
The average is the middle value of the given data set and is calculated by adding up all the numbers and dividing the result by the total quantity of figures added.
The average number of fish per cubic kilometer is given by;

Substitute all the values in the formula;

Hence, the average number of fish per cubic kilometer is
.
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