Use the Change of Base Formula to rewrite the logarithm with the common logarithm or the natural logarithm:

`\log_4(45)=`  


Use a calculator to evaluate the logarithm. Round to four decimal places.

Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer accurate to 4 decimal places.

Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Your answer should be accurate to at least 4 decimal places.