To determine which expressions are equal to \( 11 \times 10^3 \), we first calculate what \( 11 \times 10^3 \) equals:
\[ 11 \times 10^3 = 11 \times 1000 = 11,000 \]
Now let's evaluate each option:
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11x100: \[ 11 \times 100 = 1100 \quad \text{(not equal to } 11,000\text{)} \]
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11,000: \[ \text{This is equal to } 11 \times 10^3. \]
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11x10x10x10: \[ 11 \times 10 \times 10 \times 10 = 11 \times 1000 = 11,000 \quad \text{(equal to } 11,000\text{)} \]
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33,000: \[ \text{This is not equal to } 11,000. \]
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11x11x11: \[ 11 \times 11 \times 11 = 1331 \quad \text{(not equal to } 11,000\text{)} \]
In summary, the expressions equal to \( 11 \times 10^3 \) are:
- 11,000
- 11x10x10x10
So, the correct responses are:
- 11,000
- 11x10x10x10