Three measurements are made as 18.425 cm, 7.21 cm and 5.0 cm. The addition should be written as

Three measurements are made as 18.425 cm, 7.21 cm and 5.00 cm. The addition should be written as

Three measurements are made as 18.425 cm, 7.21 cm and 5.00 cm. The addition should be written as

Four lengths are measured as 18.425 cm, 7.21 cm, 5.04 cm and 10.3571 cm. taking significant figures into account, the sum of lengths should be :

Three measuring rods are 45 cm, 50 cm and 75 cm in length. What is the least length of a rope that can be measured by the full length of each of these three rods ?

The length , breadth , and thickness of a block are measured as 125.5 cm , 5.0 cm , and 0.32 cm , respectively .Which one of the measurement is most accurate?

The length , breadth , and thickness of a block are measured as 125.5 cm , 5.0 cm , and 0.32 cm , respectively .Which one of the measurement is most accurate?

The length, breadth and thickness of a block' are measured as 125.6 cm, 6.5 cm and 0.23 cm respectively. Which measurement is least accurate ?

The parallel sides of a trapezium measure 14 cm and 18 cm and the distance between them is 9 cm. The area of the trapezium is