Question

Determine the difference: 3.2 × 1010 – 1.1 × 1011 Write your answer in scientific notation.

Answer 1

Answer:

$-7.8*10^{10}$

Step-by-step explanation:

we have

$3.2*10^{10} -1.1*10^{11}$

we know that

$3.2*10^{10}=0.32*10^{11}$

substitute

$0.32*10^{11} -1.1*10^{11}=-0.78*10^{11}=-7.8*10^{10}$