You are making costumes for the school play. each costume needs a piece of ribbon that is 58 yard long. how many yards of ribbon are needed for the 24 costumes?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left