Which expressions show the expanded form for 840.02?

choose all answers that are correct.

a.
8 × 100 + 4 × 10 + 2 ×

b.
8 × 100 + 4 × 10 + 2 ×

c.
8 × 100 + 4 × 10 + 4 × 0 + 0 × + 2 ×

d.
8 × 100 + 4 × 10 + 0 × 1 + 0 × + 2 ×

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

What is the product? a-3/15a × 5/a-3