You have to do 21+8+11=40. So 40 is the answer. Hope this helps.
Answer: Choice B
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Explanation:
The original equation is 
with 8 as the base. That is also the base of the log when we get the final answer shown above. Logs are useful to isolate the exponent.
The general rule is that 
is equivalent to the log form of 
where b is the base of each.
Use Photomath for this it’s much easier
Answer:
eyehehbr bdbbdbd 112
Step-by-step explanation:
add
dixg
hgfg kggg by
jhggg
