Q.

If the mass of a solid is 4.237 gm and its volume is 2.51 cm3, the density of the material of the solid calculated from these two measurements will contain

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a

four significant digits

b

three significant digits

c

two significant digits

d

seven significant digits

answer is B.

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Detailed Solution

Density = 4.237/2.51 gm/cm3. The least number of significant digits in the input being “3”, the result must contain only “three” significant digits
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If the mass of a solid is 4.237 gm and its volume is 2.51 cm3, the density of the material of the solid calculated from these two measurements will contain