Question

Round each decimal number to the given place value. 

(i) 5.992; tenths place 

(ii) 21.805; hundredth place 

(iii) 35.0014; thousandth place

Answer 1

(i) 992; tenths place 

Underlining the digit to be rounded 5.992. Since the digit next to the underlined digit is 9 greater than 5, we add 1 to the underlined digit. 

Hence the rounded number is 6.0. 

(ii) 21.805; hundredth place 

Underlining the digit to be rounded 21.805 since the digit next to the underlined digit is 5, we add 1 to the underlined digit. 

Hence the rounded number is 21.81.

(iii) 35.0014; thousandth place 

Underlining the digit to be rounded 35.0014. Since the digit next to the underlined digit is 4 less than 5 the underlined digit remains the same. 

Hence the rounded number is 35.001.