The 1.9 × 103 is 2.15 times smaller than 4.085 × 105. (Option B)
In order to determine a number is how many times smaller than the other number, the second number is divided by the first number. Division and multiplication, both used in the situation are basic arithmetic operations. In the give case, the in order to determine how many times smaller 1.9 x 103 is than 4.085 x 105, is given by
4.085 x 105/1.9 x 103
First simplifying by multiplying the terms in the numerator and denominator
4.085 x 105/1.9 x 103
428.925/195.7
Dividing the numerator by denominator,
428.925/195.7 = 2.15
Learn more about Times smaller than:
https://brainly.com/question/28161739
#SPJ4
