Question

15/40
how many significant figures are in this number ?
$5.9 \times 10^4$

Explanation:

Step1: Recall sig fig rules for sci notation

In scientific notation \( a \times 10^n \), significant figures are in \( a \).

Step2: Analyze \( 5.9 \times 10^4 \)

\( a = 5.9 \). Digits 5 and 9 are significant. Count them: 2.

Answer:

2