Which solution contains the correct number of significant digits for the product 2.80 mm : 0.1 mm

2.8mm x 0.1 mm = 0.280 mm
Since 0.1 is a tenths place so we would have move the decimal place one space to the left.

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.

Ithink it’s b because it say 3 plastic rings and all the balls