This problem states that there are 5 trophies and the problem requires to determine the number of ways Naomi can line up her trophies. In this case, the formula using counting is 5 * 4 * 3 * 2 * 1. there is a decreasing trend as the number of trophies chosen to line up next is decreased by one each time. The answer is 120 ways.
Answer:
129
Step-by-step explanation:
Each day, Monica measures the amount of change in the number of bacteria and this number from each day gives a geometric series
3, -6, 12, -24, ...... having first term 3 and the common ratio -2.
Then the sum of the amount of change in the bacteria after the seventh day will be ( 3 - 6 + 12 - 24 + 48 - 96 + 192) = 129 (Answer)
You basically just add -28 to -16. Therefore, you are going to end up with -44.
Answer:
22500 people
Step-by-step explanation:
because about 90 percent of people are right handed whole only 10 percent are left handed