At the neighborhood grocery, 5 pounds of salmon cost $49. How much would it cost to buy 4.7 pounds of salmon?

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors

Find the distance between (0,5) & (-4,2)