Which unit of measure would be appropriate for the area of a soccer field that is 105 meters long and 67 meters wide

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.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"