Question

–(7)-¹

2.Simplify the following expression.(–5)-^6(–5)^9

3.Find the simplified form of the expression.Give your answer in scientific notation.(4x10^10)(9x10-^6

Answer 1

`(-5)^(-6)(-5)^9`


`= (-5)^(-6+9)`


`= (-5)^(3)`




`(4 * 10^(10))(9 * 10^(-6))`


`= 36 * 10^(10-6)`


`= 36 * 10^(4)`