Question

write the following number in scientific notation (with at least 3 significant digits): 215,252.8985 = \square \times 10^\wedge \square

Explanation:

Step1: Move decimal left 5 places

$215252.8985 = 2.152528985 \times 10^5$

Step2: Verify sig figs (meets ≥3)

The coefficient $2.152528985$ has 9 significant digits, which satisfies the requirement of at least 3 significant digits.

Answer:

$2.152528985 \times 10^5$