Divide and give the answer in scientific notation. 8.4 x 107 3 x 103 a) 5.4 x 10-4 b) 5.4 x 1021 c) 2.8 x 10-4 d) 2.8 x 104

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000