For each calculation choose the correct answer written in standard form. a) (7*10) * (3 * 10)
А
B
21 x 10 21 * 10
с
2.1 x 10"
2.1 x 10

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

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?

52 cm radius = diameter = area = circumference = circumfer