What is 0.0000345 in scientific 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

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points