Add. Check by casting out 9s.
4,327
4,609
7,134
+8,453

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.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

What is the x-intercept and y-intercept of the equation 2x+1. 2o