Asap 100 points and 5 stars and

1. simplify the following expression: (5*2)*8

2. simplify the following expression: 3^3(-4)^2 2^6(-3)^5

3. a planet’s diameter is approximately 27,340,000 meters. what is that number
in scientific notation?

what is the product of 3.20 × 10^–5 and 6.5 × 10^3

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.