This is not the answer, but I want to tell you that I can't see what the problem says. I would help you, but I can't.
Answer:
98
You have to use prime factor decompisition. I hope this helps
Ask your teacher hfjsjcnjensjte
4(10x)
or
4×10x
im sorry if this is incorrect..i tried
Answer:
(10 x 10 18 times)(10 x 10 23 times) 
just as a note: when you multiply numbers with exponents and they both have the same base, all you have to do is add the exponents.
Ex: 
