(9.42×10^8)×250000
First, change 250000 into scientific notation which is
2.5×10^5
Now, we have this new expression:
(9.42×10^8)(2.5×10^5)
Then , combine like term
(9.42×2.5)(10^8×10^5)
=23.55×(10^8+5)
=23.55×10^13
=2.355×10^14 is your final answer. Hope it help!