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

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!