Question

Question 70:
The energy of a particles is 1.118 x 10-3 eV. The number of significance digit
the energy of a - particle is
a.4
b.3
c.7
d.1​

Answer 1

Answer:

Trailing Zeros in Numbers Containing No Decimal Point

Zeros trailing to the right of the rightmost non-zero digit may or may not be significant. For example, the number 100 may have one sig. fig. ( 100), two sig. figs. ( ...

Remove ambiguity by expressing the number using scientific notation. 100 expressed as: 1 sig. fig.

Explanation:

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Answer 2

Answer:

a. 4

Explanation:

• To count the number of significant figures in 1.118 × 10-3,
• Count all 4 digits since it has no insignificant digits
• As all digits are significant.
• [1.118 x 10-3] -----> 4

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