Grade 8 Multiplying Numbers in Scientific Notation

Multiply the coefficients, add the exponents, then rewrite the answer in scientific notation.

1. 1.(2.0 x 10^8) × (6.9 x 10^5) =
2. 2.(8.8 x 10^4) × (4.5 x 10^2) =
3. 3.(1.8 x 10^4) × (2.4 x 10^2) =
4. 4.(4.0 x 10^4) × (8.8 x 10^6) =
5. 5.(9.8 x 10^7) × (3.0 x 10^2) =
6. 6.(6.5 x 10^4) × (2.4 x 10^2) =
7. 7.(4.4 x 10^4) × (1.9 x 10^2) =
8. 8.(9.9 x 10^3) × (2.0 x 10^2) =
9. 9.(3.2 x 10^2) × (3.1 x 10^3) =
10. 10.(3.9 x 10^6) × (7.0 x 10^4) =
11. 11.(4.1 x 10^4) × (6.0 x 10^6) =
12. 12.(3.0 x 10^3) × (5.1 x 10^5) =
13. 13.(2.4 x 10^6) × (4.5 x 10^4) =
14. 14.(2.1 x 10^6) × (3.6 x 10^4) =
15. 15.(3.5 x 10^5) × (1.8 x 10^5) =
16. 16.(4.5 x 10^8) × (3.2 x 10^2) =