Question

1. 0.04 × 0.006 =
2. 2.5 × 0.5 =
3. 1.003 × 0.03 =

40 | waterworks mathematics

Explanation:

Step1: Multiply whole numbers

$4 \times 6 = 24$

Step2: Count total decimal places

$0.04$ has 2 decimals, $0.006$ has 3 decimals; total = $2+3=5$

Step3: Place decimal in result

$0.00024$

Step1: Multiply whole numbers

$25 \times 5 = 125$

Step2: Count total decimal places

$2.5$ has 1 decimal, $0.5$ has 1 decimal; total = $1+1=2$

Step3: Place decimal in result

$1.25$

Step1: Multiply whole numbers

$1003 \times 3 = 3009$

Step2: Count total decimal places

$1.003$ has 3 decimals, $0.03$ has 2 decimals; total = $3+2=5$

Step3: Place decimal in result

$0.03009$

Answer:

1. $0.00024$
2. $1.25$
3. $0.03009$