Question

1/2×3.14×50×20×10^-6​

Answer 1

Step-by-step explanation:

1/2×3.14×50×20×10^-6

the ans is

1.57*10^-7

Answer 2

Step-by-step explanation:

1/2×3.14×50×20×10^-6

0.5×3.14×50×20×10^-6

1.57×50×20×10^-6

1570×10^-6

0.00157