Answer:[tex]36\times 10^5[/tex]
Step-by-step explanation:
Given
Dolphin can make [tex]10^3[/tex] clicking noises per second i.e. 1000 clicking in 1 sec
Using Unitary method
for 60 seconds it is [tex]60\times 10^3[/tex]
1 minute has 60 seconds and 1 hour has 60 minutes
So, in an hour dolphin can make
[tex]\Rightarrow 60\times 60\times 10^3\\\Rightarrow 36\times 10^5\ \text{Clickings}[/tex]