In a recent year, there were about 400,000,000 mobile internet users. That same year, there were about 1.2 × 109 desktop internet users. About how many times larger was the number of desktop internet users than the number of mobile internet users?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points