Question

The product of first 20 natural numbers is denoted by
​

Answer 1

Answer:

20!

the product of first 20 natural no's denoted by 20! and this is called 20 factorial.

Answer 2

Answer:

√20,20!,1×2×3×...... ×20

Step-by-step explanation:

√20

20!

1×2×3×...........×20