Question

round off to the nearest one a) 1.4 &b) 4.5

Answer 1

a)1.4 rounded off =1.0

b)4.5 rounded off =5.0 or 5

Answer 2

Here is your answer
By Round off' we replace the previous number one more if it's more than or equal to 5

a. 1.4 round off is 1

b. 4.5 round off is 5

Hope it helps you