Answer:
If Regina wants a mean of 90, she needs to sell 94 books on the 5th day.
7526.44 because you look at the thousanth place (the 2) and since it is less than 5 you round down
6.2 x 10^-3
Because when you add them together you get .0062 so you don't want anymore than one number to the left of decimal when in scientific notation therefore its 6.2 so you wanna move the decimal three spaces to the left to get .0062 therefore its 6.2x10^-3
Answer:
n= -13/10
Step-by-step explanation:
-n= -7/10+2
-n= 13/10
n= -13/10
