Home
Class 11
PHYSICS
The numbers 2.745 and 2.735 on rounding ...

The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give

A

2.75 and 2.74

B

2.74 and 2.73

C

2.75 and 2.73

D

2.74 and 2.74

Text Solution

Verified by Experts

The correct Answer is:
D
In 2.745, the digit to be rounded of (i.e., 4) is even, hence it should be left unchanged and in 2.735, the digit to be rounded off (i.e., 3) is odd, hence it should be increased by 1, i.e., changed to 4
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • UNITS AND MEASUREMENTS

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|10 Videos

  • THERMODYNAMICS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • WAVES

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

The numbers 3.845 and 3.835 on rounding off to 3 significant figures will give

Round off 20.96 to three significant figures

Round off to 3 significant figures : i) 20.93 ii) 0.0003125

The number of significant figures in pi are

Round off 0.1525 upto three significant figures

Round off 0.1525 upto three significant figures

A length 5.997 m rounded off to three significant figures is written as

Assertion: A number 2.746 rounded off to three significant figures is 2.75, while the number 2.743 would be 2.74. Reason: In rounding off the uncertain digits, the preceding digit is raised by 1 if the insignificant digit to be dropped is more than 5 and is left unchanged if the latter is less than 5.