Question

1.2 xx 36.72 = 44.064 ~~44 The least number of significant digits in the measured values are two. Hence, the result when rounded off to two significant digits become 44. Therefore, the answer is 44.

Answer 1

Given:

• 1.2 * 36.72

To find:

• Value of the expression rounded off to correct significant figures

Answer:

• Number of significant digits in 1.2 = 2

• Number of significant digits in 36.72 = 4
• The answer should have lower significant figure of the two.
• 1.2 * 36.72 = 44.064 = 44 (As lower significant digits =2)