Question

Find the sum of the numbers. Express your answer in scientific notation.

(6.94 x 10-7)+(2.7x10-)
O 7.21x 10-
O 9.64 x 10-
O 7.21x10-2
O 9.64 x 10-7

Answer 1

7.21 × 10⁻⁷

Explanation:

(6.94 × 10⁻⁷) + (2.7 × 10⁻⁸) = 7.21 × 10⁻⁷