Question

what number is equivalent to the expanded form shown below? (2 × 100) + (5 × 10) + (4 × 0.1) + (9 × 0.001)

Explanation:

Step1: Calculate each term

$2 \times 100 = 200$, $5 \times 10 = 50$, $4 \times 0.1 = 0.4$, $9 \times 0.001 = 0.009$

Step2: Sum all calculated terms

$200 + 50 + 0.4 + 0.009$

Answer:

250.409