Question

learning: scientific notation question ① round off 0.002427 l to three significant figures. answer 0.00243 l 0.00242 l 243 l 0.0024 l 0.002 l i dont know

Explanation:

Step1: Identify significant figures

Non - zero digits are significant. In 0.002427, the significant digits are 2, 4, 2, 7.

Step2: Round to three significant figures

We look at the fourth significant figure (7). Since 7 > 5, we round up the third significant figure. So 0.002427 rounds to 0.00243.

Answer:

0.00243 L