write the powers to which the bases
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(i) 64= 2^x
2^6= 2^x
x=6
(ii)100= 5^b
5^2×2^2= 5^b×2^0
10^2=10^b
b= 2
(iii)1/81= 3^e
1/3^-4= 3^e
3^4= 3^e
e= 4
(iv) 100= 10^z
10^2= 10^z
z= 2
(v) 1/256= 4^a
1/4^-4= 4^a
4^4= 4^a
a= 4
2^6= 2^x
x=6
(ii)100= 5^b
5^2×2^2= 5^b×2^0
10^2=10^b
b= 2
(iii)1/81= 3^e
1/3^-4= 3^e
3^4= 3^e
e= 4
(iv) 100= 10^z
10^2= 10^z
z= 2
(v) 1/256= 4^a
1/4^-4= 4^a
4^4= 4^a
a= 4
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