To determine which expressions are equal to \( 11 \times 10^3 \), let's evaluate \( 11 \times 10^3 \):
\[ 11 \times 10^3 = 11 \times 1000 = 11000 \]
Now, let's check each response:
- 11×100 → \( 11 \times 100 = 1100 \) (Not equal)
- 11 × 100 → \( 11 \times 100 = 1100 \) (Not equal)
- 11,000 → This matches \( 11000 \) (Equal)
- 11 , 000 → This is the same as \( 11,000 \) (Equal)
- 11×10×10×10 → \( 11 \times 10 \times 10 \times 10 = 11 \times 1000 = 11000 \) (Equal)
- 11 × 10 × 10 × 10 → \( 11 \times 10 \times 10 \times 10 = 11 \times 1000 = 11000 \) (Equal)
- 33,000 → \( 33,000 \) (Not equal)
- 33 , 000 → This is the same as \( 33,000 \) (Not equal)
- 11×11×11 → \( 11 \times 11 \times 11 = 1331 \) (Not equal)
- 11 × 11 × 11 → \( 11 \times 11 \times 11 = 1331 \) (Not equal)
The expressions that are equal to \( 11 \times 10^3 \) are:
- 11,000
- 11 , 000
- 11×10×10×10
- 11 × 10 × 10 × 10