Logarithmic equations are the inverse of exponential equations.
Say you have the exponential equation of:

This is inversely equivalent to:

By general definition:
= 
Answer:
53. ±6
51. 2
Step-by-step explanation:
According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, evaluate everything in grouping symbols first, then evaluate the exponents to avoid confusion:

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Answer:the answer is 90 u welcome text me back if wrong armstrongtamarion
Step-by-step explanation:
The first step is to determine how accurate your estimation needs to be. Then create the iniatial estimate.