How many times larger is 2 x 10^10 than 5 x 10^6?

a. 4000
b. 4
c. 400
d. 40

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?