Answer:
less than
Step-by-step explanation:
the Square root of 2 is 1.4142...
Estimation for addition: 86 rounds up to 90 and 17 rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70
Now for the exact answers:
86 + 17 = 103
86 - 17 = 69
Your answers are 110, 70, 103, and 69.
Answer:
5
Step-by-step explanation:
Easy
55/100 = (55:5)/(100:5) = 11/20
55/100 = 0.55