2.478
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If the 3rd decimal place is 5 or more, increase the 2nd decimal place by 1, and discard everything after it. If the 3rd decimal place is less than 5, leave the 2nd decimal place alone, and discard everything after it.
To approximate 7.0826 to 3 decimal places, we look at the digit in the 4th decimal place, which is 2. Since this digit is less than 5, we simply truncate the number at the 3rd decimal place. Therefore, 7.0826 approximated to 3 decimal places is 7.083.
To round 15.894 percent to two decimal places, you first convert it to a decimal by dividing by 100: 15.894% = 15.894/100 = 0.15894. Then, you round the decimal to two decimal places, which means you look at the third decimal place (9 in this case). Since 9 is greater than or equal to 5, you round up the second decimal place, resulting in 15.89%.
8.562 Inspect the 3rd decimal place . In this case it is '2'. The rule is for 'n' decimal places , inspect the 'n+1' decimal place. If the 'n+1' decimal place is between 0 & 4 , then leave the 2nd decimal unchanged. If it is between 5 & 9 then add '1' to the second decimal place. Since in this case the third decimaal is '2' ( between 0 & 4), then leave the 2nd decimal place unchanged. at '6'. Hence 8.452 to 2 d.p. is 8.56 .
18.19