When Connor was 16, he bought his first car. It had 1.67\times 10^{5}1.67×105miles on it. Connor is now 55 and wants to buy his dream car. He wants a new car or a used one with low miles. The car he ends up buying has 4.35\times 10^{3}4.35×103miles. How many times greater were the miles on his old car than his new car? Round to the nearest whole number.

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.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)