Respuesta :

erinck

Answer:

1.197 * 10^3 lbs

Step-by-step explanation:

3.8 * 10.5 = 39.9 lbs each

Now, we multiply 39.9 by 30, which is 1197 lbs in total

In scientific notation, 1197 is 1.197 * 10^3

I hope this helped, please mark Brainliest, thank you !!

Answer:

114 × 10 ^ 5

Step-by-step explanation:

30: Number of whales

380,000: weight of each whale

30 × 38,000 = 11,400,000 total weight

Scentific notation: Expressing large numbers in a smaller way so

114 × 10 exp 5