Advertisements
Advertisements
Question
Compute:
`(-5)^4xx(-5)^6÷(-5)^9`
Sum
Advertisements
Solution
`(-5)^4xx(-5)^6÷(-5)^9`
= `(-5)^4/1 xx (-5)^6/1 xx 1/(-5)^9`
= `(-5)^10/(-5)^9 = (-5)^{10 - 9} = -5`
shaalaa.com
More About Exponents
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Compute:
`1^8xx3^0xx5^3xx2^2`
Compute:
`(2/3)^(-4)xx(27/8)^-2`
Compute:
`(125)^(-2/3)÷(8)^(2/3)`
Compute:
`(27)^(2/3)÷(81/16)^(-1/4)`
Evaluate:
`[(10^3)^0]^5`
Evaluate:
`(7"x"^0)^2`
Simplify:
`(2"x"^2"y"^-3)^-2`
Show that:
`(("x"^"a")/"x"^(-"b"))^("a"-"b").(("x"^"b")/"x"^(-"c"))^("b"-"c").(("x"^"c")/("x"^(-"a")))^("c"-"a")=1`
Prove that:
`1/(1+"x"^("a"-"b"))+1/(1+"x"^("b"-"a"))=1`
Find the value of n, when:
`("a"^(2"n"-3)xx("a"^2)^("n"+1))/(("a"^4)^-3)=("a"^3)^3÷("a"^6)^-3`
