Simplify log4(16)-2log4(2)
log4(16) can be simplified to 2, because 4 to the power of 2 is 16. Similarly, log4(2) can be simplified to 0.5, because 4 to the power of 0.5 is 2. Thus:
log4(16) - 2log4(2)
= 2 - 2(0.5)
= 2 - 1
= 1
log4(16) - 2log4(2)
= 2 - 2(0.5)
= 2 - 1
= 1