@jflong0408 multiply (2.2 x 103) x (3.6 x 103) 7.35 x 105 7.92 x 106 6.9 x 103 2.83 x 102

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

Which of the following is the sum of 3 1/6 + 6 3/8?