(5.93 x 103) (2.3 x10-2)

when you multpily or divide powers of 10 you just add or subratact respectivley

Explanation:

(5.93 x 10 ^ 3) (2.3 x 10^ -2) = (5.93 * 2.3 ) x 10 ^ 3 +(-2)

                                             = 13.639 x 10 ^ 3-2

                                             = 13 . 639 x 10

                                              1.3639 x 10^2

b is the correct answer

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