The top of a mountain is 2,436 feet above sea level. a shipwreck is 1,020 feet below sea level. how far is the top of the mountain from the shipwreck?

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.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

What is 60.9643790503 to 5 decimal