Question

Which of the following is the best estimate for checking the given problem

478,294,863 x 2,497,832 = 1.19 x 1015 ?

500,000,000 x 100,000,000

500,000,000 x 2,000,000

478,000,000 x 2,000,000

478,000,000 x 2,500,000

Answer 1

The best estimate is 478,000,000 x 2,500,000