The second is defined to be the amount of time required for a cesium atom to emit 9,192,631,770 cycles of radio waves. The number of significant digits in the quoted value is
A) 3.
B) 6.
C) 9.
D) 10.
E) impossible to identify.

Question

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The Answer of The second is defined to be the amount of time required for a cesium atom to emit 9,192,631,770 cycles of radio waves. The number of significant digits in the quoted value is
A) 3.
B) 6.
C) 9.
D) 10.
E) impossible to identify.

The Second Is Defined to Be the Amount of Time