The bookstore sold 28 more books on tuesday than on wednesday. how many books did the bookstore sell on wednesday

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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.

What is the binomial expansion of (2x-3)^5