Question

multiply or divide . keep your answer in scientific notation(MCC.8.EE.4) (4 x 10 4) (2.1 X10 9 ) B. 8 x 10 8 2 x 10 2

Answer 1

Answer:

The correct answer would be 8.4 x 10^13

Step-by-step explanation:

To multiply two different scientific notations, multiply the bases and add the exponents. These would be the rules to making sure that you get the correct answer.