Answer:
whale will eat 1.46×10^(10) krill in a day
Explanation:
one adult blue whale can eat in one day = 4.0 × 10^(7)
one adult blue whale can eat in 3.65 × 10² days = 4.0 × 10^(7) × 3.65 ×10²
= 14.6 × 10^ ( 7 + 2 )
= 14.6 × 10^(9)
= 1.46 × 10^ (10) krill