Evaluate :
`0.0042 xx 1000`

Answer

To evaluate the expression \(0.0042 \times 1000\), we can follow these steps:

### Step 1: Understand the multiplication
We are multiplying the decimal number \(0.0042\) by \(1000\).

### Step 2: Move the decimal point
When multiplying a decimal by \(1000\), we can move the decimal point to the right. The number of places we move the decimal point is equal to the number of zeros in \(1000\). Since \(1000\) has three zeros, we will move the decimal point three places to the right.

### Step 3: Perform the movement
Starting with \(0.0042\):
- Move the decimal point one place to the right: \(0.042\)
- Move it a second place to the right: \(0.42\)
- Move it a third place to the right: \(4.2\)

### Step 4: Write the final answer
After moving the decimal point three places to the right, we get \(4.2\).

Thus, the result of \(0.0042 \times 1000\) is \(4.2\).

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