Which number is written in scientific notation a.4.5*10^-3 b.14.5*10^2 c.0.78*10^-6 d.5.7*4^8 which number is greatest a.2.89*10^-8 b.1.997*10^2 c.8.9*10^-6 d.5*10^-6

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?