Explanation
v = lwh; the container is \(5 \mathrm{ft} \text {. long } \times 3 \mathrm{ft} \text {. wide } \times 2 \mathrm{ft} \text {. high }\).\(5 \times 3 \times 2=30 \mathrm{ft}^{3}\)
Simplify \(\frac {5}{10}\)
Simplify \(\frac{90}{105}\)
How many different passcodes can be formed from the letters {A, B, C, D} if each letter can only be used once?