Answer:
5.39×10^2 is 10.000 times greater than 5.39×10^−2.
Step-by-step explanation:
Dividing:
5.39×10^2 / 5.39×10^−2
= 5.39/5.39 x (10^2 / 10^-2
= 1 x 10^(2 - (-2))
= 10^4
= 10,000.
Answer: 
Step-by-step explanation:
Answer:
$10 is in his account.
Step-by-step explanation:
- goes to school 5 days a week
- $3 per day so 3x5
- subtract 15 from 25
Answer:
y^2-5. In the quadratic formula there is always an exponent.
