First slide

Accuracy; precision of instruments and errors in measurements

Question

Find the value of $\frac{1.53 \times 0.9995}{1.592}$ with due regard for significant figures.

Moderate

A

0.96
B

0.123
C

0.921
D

0.913

Solution

$g i v e n \frac{1.53 \times 0.9995}{1.592} = \frac{1.529235}{1.592} = 0.9605747 = 0.96 h e r e a m o n g t h r e e g i v e n n u m b e r s 1.53 h a s l e a s t n u m b e r o f d i g i t s a f t e r d e c i m a l h e n c e f i n a l v a l u e h a s t o b e r o u n d e d o f f t o t w o d i g i t s a f t e r d e c i m a l$

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