Intel estimates that about 12 quintillion transistors are shipped around the globe each year. If that represents 10,000 times the number of ants on the planet, find the number of ants on Earth. (Show all your workings. Final answer MUST standard notation.)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table