Question

Help please thank you

Answer 1

Explanation:

each line is equivalent

(3.5 x 10¹³ - 1.4 x 10¹²) / 3 x 10⁹

(3.5 x 10¹³ - 0.14 x 10¹³) / 3 x 10⁹

3.36 x 10¹³ / 3 x 10⁹

(3.36 / 3) x 10⁽¹³ ⁻ ⁹⁾

1.12 x 10⁴