Question

1. multiply: 2.11 × 0.9

Explanation:

Step1: Ignore decimals and multiply

$211\times9 = 1899$

Step2: Count decimal places

2.11 has 2 decimal - places and 0.9 has 1 decimal - place, so total 3 decimal places.

Step3: Place the decimal

Starting from the right of 1899, move 3 places to the left. So the result is 1.899.

Answer:

1.899