Question

Check whether the given numbers are divisible by 10 or not.  

a) 10¹⁰   

b) 2¹⁰   

c) 10³ + 10¹

Answer 1

a) 10¹⁰ = 10000000000

b) 2¹⁰ = 1024

c) 10³ + 10¹ = 1000 + 10 = 1010

∴ a) 10¹⁰, c) 10³ + 10¹ are divisible by ’10’.

[∵ Their units digits are ‘0’.]

b) 1024 is not divisible by 10.

[∵ Its units digit is 4.]