Answer:
5ft^3
Step-by-step explanation:
The formula for volume is length × width × height.
so you multiply 1×2×2.5, which equals 5
What website is this from?
Answer:
$31.50
Step-by-step explanation:
35-10%=31.5
Answer:
50.?? inches but it's around 50 inches
Step-by-step explanation:
Answer:
In 8910 ways can at least 4 defective batteries be included in the purchase
Step-by-step explanation:
The order in which the batteries are there is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:
4 defective:
4 defective from a set of 5 and 2 non-defective from a set of 60 - 5 = 55. So

5 defective:
5 defective from a set of 5 and 1 non-defective from a set of 60 - 5 = 55. So

In how many ways can at least 4 defective batteries be included in the purchase?

In 8910 ways can at least 4 defective batteries be included in the purchase