Answer:
8 hours
Step-by-step explanation:
If Jackie wants to burn 2000 calories in one week but only burns 250 calories per hour
then, to solve how many hours you have to divide
2000/250= 8
therefor Jackie has to do aerobics for 8 hours that week to burn 2000 calories
Answer:
=7.2×10⁵
is in scientific notation
Answer:
$3.50
Step-by-step explanation:
4 2/3 x 0.75 = $3.50