Simplify using laws of exponents. Write your asnwer using positive exponents​

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items