Answer:
16.81
Step-by-step explanation:
Given:
Number = 4.1
Find:
Square of the given number
Computation:
[4.1]²
⇒ [4.1] × [4.1]
⇒ 16.81
If Janine square 4.1 by assuming (round off) 4 as an integer number then gets 16, which means Janine's estimate would be considered appropriate.
