Solve the below problems being sure to provide the correct significant figures.
1) 1000 ÷ 4.886 =
2) 240 ÷ 12.3 =
3) 80 x 4.6 =
4) 4.527 x 30 =
5) 86 x 63.855 x 8000 =
6) 700 x 91.186 =
7) 7.1 x 348 =
8) 50 ÷ 29.1 =
9) 98.773 x 24.891 x 409 =
10) 0.065 x 3 x 3007 =

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)