Question

Two numbers $a=0.92$ and $b=0.08$ are given . The number of significant figures present in the result after the following operation $a+b$, $a-b$, $a\times b$ and $a/b$, respectively, are

• A. $2$ , $2$ , $2$ , $2$
• B. $3$ , $3$ , $2$ , $2$
• C. $3$ , $2$ , $1$ , $1$
• D. $3$ , $2$ , $2$ , $2$

Answer 1

Answer: (C)

$a+b=1.00;a-b=0.84$
In case.of multiplication and division, result will contain least number of significant figures. In $0.08$, there is only one significant figure.