Question

Add 7.3 x 10⁷ + 1.8 x 10⁷. Which is the correct sum? a. 9.1 x 10⁷ b. 8.1 x 10⁷ c. 9.1 x 10¹⁴ d. 9.1 x 10⁷

Answer 1

(7.3 × 10⁷) + (1.8 × 10⁷) = 9.1 × 10⁷

The correct answer is A.