What is the simplified form of startroot 400 x superscript 100 baseline endroot ?

200x superscript 10
200x superscript 50
20x superscript 10
20x superscript 50

What is the perimeter of square abcd? units units 28 units 37 units

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

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?