Use scentific notation to compare these numbers: 12,740,876,635; 1,345,763,334; and 12,920,370,000, which has the greatest value?

Question

a 1.292037 x 10^10
b 1.345763334 x 10^9
c 12,920,370,000
d 1.2740876635 x 10^10

Answer 1

To compare these numbers using scientific notation, we need to convert them into the same form.

12,740,876,635 can be written as 1.2740876635 x 10^10 when expressed in scientific notation.

1,345,763,334 can be written as 1.345763334 x 10^9 when expressed in scientific notation.

12,920,370,000 can be written as 1.292037 x 10^10 when expressed in scientific notation.

Comparing the exponents, we can see that 1.292037 x 10^10 and 1.2740876635 x 10^10 have the largest exponents, indicating the greatest values.

Therefore, the answer is (a) 1.292037 x 10^10.