Estimate the value as a product of a single digit and a power of 10 for these three numbers.
3,457,000,000
u. s. population: 316,555,000
980,000,000

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?