Answer: It is called "rounding"
Step-by-step explanation: Well you can't really explain this one.
Answer:
Rounding
Step-by-step explanation:
Rounding means to give an approximation of a decimal number. The number may be irrational. Rational numbers have a terminating decimal expansion. When rounding off a number first consider to how many decimals you want to round off the number. Then check the next decimal number if it is 5 or more than 5 then increase the preceding decimal number by 1.
Let us take and example
√2 = 1.41.........
Round to the nearest tenths
√2 = 1.4
Round 1.65 to the nearest tenths
1.7
