Need someone to come get some of this dark chocolate. I'm better at sex than academics.

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

Just tell me how to set up the equation.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.