Find the value of 12.9 g -7.06 g. Keeping significant figures in consideration.

Question

Find the value of 12.9 g -7.06 g. Keeping significant figures in consideration. (A) 5.84 g (B) 5.8 g (C) 5.86 g (D) 5.9 g

Tardigrade Admin · Accepted Answer

In addition and subtraction, the uncertainty of result is determined by the smallest number of decimal places rather than the number of significant figures. Therefore, the correct value of 12.9-7.06=5.84 g =5.8 g.

Q. Find the value of $12.9 g - 7.06 g$ . Keeping significant figures in consideration.

$5.84 g$

$5.8 g$

$5.86 g$

$5.9 g$

In addition and subtraction, the uncertainty of result is determined by the smallest number of decimal places rather than the number of significant figures. Therefore, the correct value of $12.9 - 7.06 = 5.84 g = 5.8 g$ .

Q. Find the value of 12.9g−7.06g. Keeping significant figures in consideration.

5.84g

5.8g

5.86g

5.9g