Whatever number is the exponent if negative just move it to the right how much the number is. if it 5 with an exponent of -3 then you just move the decimal point 3 times to the right. The anwer to that question would be .005
1. Find the unit rate
15 books divided by 5 days = 3 books sold per day.
Since we are looking for how many days it would take the store to sell 21 bucks, we could do 21 (amount of books) divided by 3 (how much books is sold in a day).
Therefore, it will take a week / 7 days to sell 21 books.
2 1/4 = 9/4 so the reciprocal is 4/9 (I believe)
Answer:
Step-by-step explanation:
x 1= -9, x 2 = -1. so the third one
Answer:
<u>86°F</u>
Step-by-step explanation:
