Question

Find (3 × 104) + (7 × 102). A) 3.07 × 102 Eliminate B) 3.07 × 104 C) 3.70 × 102 D) 3.70 × 104

Answer 1

Nice and simple. PEMDAS. Parentheses, exponents, multiple, division, addiction, subtraction.

The first thing you do is solve the numbers in the parenthesis, which would turn to 

(312) + (714) = 1026