Question

Subtract 1.5×10⁷ from 2.7×10⁹

A) 2.685×10⁷
B) 1.473×10⁹
C) 1.473×10⁷
D)2.685×10⁹

Answer 1

To subtract 1.5×10⁷ from 2.7×10⁹, subtract the coefficients and keep the same base (10): 2.7×10⁹ - 1.5×10⁷ = 2.685×10⁹.

Step-by-step explanation:

To subtract 1.5×10⁷ from 2.7×10⁹, we subtract the coefficients and keep the same base (10):

2.7×10⁹ - 1.5×10⁷ = 2.7×10⁹ - 0.015×10⁹

= (2.7 - 0.015)×10⁹

= 2.685×10⁹

So, the correct answer is A) 2.685×10⁹.