Advertisements
Advertisements
Question
Compute:
`(625)^(-3/4)`
Sum
Advertisements
Solution
`(625)^(-3/4)=(5xx5xx5xx5)^(-3/4)`
`=(5^4)^(-3/4)=5^(4xx-3/4)`
`=5^-3=1/5^3`
`=1/(5xx5xx5)`
`=1/125`
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:
`(-1/3)^4÷(-1/3)^8xx(-1/3)^5`
Compute:
`(243)^(2/5)÷(32)^(-2/5)`
Compute:
`(27)^(2/3)÷(81/16)^(-1/4)`
Simplify:
`8^(4/3)+25^(3/2)-(1/27)^(-2/3)`
Evaluate:
`4"x"^0`
Simplify:
`15"y"^8÷3"y"^3`
Simplify:
`(-2"x"^(2/3)"y"^(-3/2))^6`
Prove that:
`("m"+"n")^-1("m"^-1+"n"^-1)=("m""n")^-1`
Prove that:
`1/(1+"x"^("a"-"b"))+1/(1+"x"^("b"-"a"))=1`
