math
posted by drake on .
1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)?
a. 16.32 x 10^6
b. 1.632 x 10^7
c. 16.32 x 10^9
d. 1.632 x 101^0
2. What is the product of (7.28 x 10^2) x (9.1 x 10^2)?
a. 6.6248 x 10^3
b. 66.248 x 10^4
c. 6.6248 x 10^4
d. 66.248 x 10^3
3. What is the quotient of (2.965 x 10^7) ÷ (5 x 10^3)?
a. 14.825 x 10^4
b. 5.93 x 10^5
c. 14.825 x 10^5
d. 5.93 x 10^3
4. Find the product. (4.0 × 10^−2) × (5.2 × 10^8)
a. 20.8 x 10^8
b. 2.08 x 10^7
c. 2.08 x 10^6
d. 20.8 x 10^7

help me plz