Question

Multiply (5 × 10^4)(7 × 10^3), express in scientific notation.

Answer 1

Hello from MrBillDoesMath

Answer:

35 * 10^7,       which is Choice C

Discussion:

(5 * 10^4) /( 7 * 10^ 3 ) =

(5*7) * ( 10^4 * 10^3) =                        ( as 5 * 7 = 35)

(35) * 10 ^ (4+3) =

(35) * 10^7

which is choice C

Thank you,

Mr. B