(8.2 x 10^3) (7 x 10^7) in scientific notation

To multiply numbers in scientific notation, we need to multiply the coefficients and add the exponents.

(8.2 x 10^3) (7 x 10^7) can be written as:

(8.2 * 7) x (10^3 * 10^7)

= 57.4 x 10^(3+7)

= 57.4 x 10^10

Therefore, the result in scientific notation is 5.74 x 10^11.