The current definition of the standard kilogram of mass is based on A) the mass

Question

The current definition of the standard kilogram of mass is based on A) the mass of the earth. B) the mass of the sun. C) the mass a particular object kept in France. D) the mass of a cesium-133 atom. When adding two numbers, the number of significant figures in the sum is equal to the number of significant figures in the least accurate of the numbers being added. A) True B) False When determining the number of significant figures in a number, zeroes to the left of the decimal point are never counted. A) True B) False Convert 1.2 times 10^-3 to decimal notation. A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012

Explanation / Answer

3 )

the mass of a particular object kept in FRANCE

4 )

False

5 )

True

6 )

1.2 X 10-3

= 0.0012

Option " D " is correct

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