Asked by Randy
Find a simplified value for x by inspection. Do not use a calculator.
(a)
log5(25) = x
(b)
log2(16) = x
(a)
log5(25) = x
(b)
log2(16) = x
Answers
Answered by
Henry
a. 5^x = 25.
5^x = 5^2.
If 2 equal numbers have equal bases,
their exponents are also equal:
X = 2.
b. 2^x = 16.
2^x = 2^4.
X = 4.
5^x = 5^2.
If 2 equal numbers have equal bases,
their exponents are also equal:
X = 2.
b. 2^x = 16.
2^x = 2^4.
X = 4.
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