What does the E stand for in 3.1536e+17

Sum is 17 and their difference is 3

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5