Questions
The mass of a box measured by a grocer's balance is . Two gold pieces of masses and are added to the box. What is the total mass of the box?
detailed solution
Correct option is B
Here, mass of the box,m=2.3 kgMass of one gold piece,m=20.15 g=0.02015 kgMass of second gold piece,m2=20.17 g=0.02017 kgTotal mass=2.34032 kgAfter the decimal point there should be least or one significant figure. Therefore, answer should be 2.3 kg as we have to round off at one digit after decimal point.Talk to our academic expert!
Similar Questions
The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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