Question

find the value:
(Exponents and powers)
(1)
${3}^{ - 5?}$
(2)
${5 }^{ - 6}$
(3)
$( { \frac{ - 6 }{5} )}^{ - 11}$


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Answer 1

Step-by-step explanation:

1.3^(-5)=1/3^5. [a^-n= 1/a^n]

= 1/243

2.5^(-6)= 1/5^6.[ a^-n=1/a^n]

= 1/15625

3.(-6/5)^(-11) = (5/-6)^11 [ a/b^-1=b/a^1]

= (-5/6)^11=5^11/-6^11

for in detail answer we can write it as,

= -(48828125/36797056)

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