Answer :
Final answer:
In the multiplication of 12.1 x 10⁴ (or 12.1 x 10,000), you move the decimal point of 12.1 four places to the right to get 121,000.
Explanation:
This question is a simple multiplication involving a number (12.1) and a power of 10 (10⁴ or 10,000). When you multiply 12.1 by 10⁴ (or 10,000), you essentially move the decimal point in 12.1 four places to the right, since multiplying by 10 'shifts' the digits one place to the left for each factor of 10. So, 12.1 x 10⁴ becomes 121,000.
Here are the steps:
1. Understand that 10⁴ (or 10,000) means shifting the decimal four spots to the right.
2. Perform the multiplication: 12.1 x 10⁴ = 121,000.
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