start with substituting z=e^x
then substitute u = z^(1/6):
that integral has a standard form that can be looked up in integral tables, it has the following solution:
substituting back the the variable z and then x you get the final solution:
Answer:
279 × 7 ≈ 2800
Step-by-step explanation:
if you have to round to the tens place, then both would be rounded up, the 7 to 10 and the 279 to 280. 10 × 280 = 2800