Answer
Estimate: 16,000,000,000; Exact: 14,600,000,000
Work Step by Step
To estimate, we round 365 days to 400 and multiply by the rounded number:
40,000,000 x 400 = 16,000,000,000 checks.
To find the exact number, we multiply the exact numbers:
40,000,000 x 365 = 14,600,000,000 checks
