Answer:
13
Step-by-step explanation:
to round to nearest whole number if its .5 or above you go up 1. If it's .4 or below you go down 1.
2.414=2
8.160=8
2.621=3
add
2+8+3=13
if you just added the decimals you would get: 13.195. (This shows you have a good estimate.)
10P8 = 10!/(10 - 8)! = 10!/2! = 1,814,400
Answer:
Each book cost $3.55
Step-by-step explanation: