(or 102 ) = 100
2. the problem: you know that 10 x 10
(a) calculate 9 x 11 ?
what do you notice?
(b) calculate the following. what do you notice? why is
this?
© 202 and 19x21
(ii) 502 and 49x51
(iii) 1002 and 99 x 101

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?