How many possible combinations does a six-digit iPhone passcode have?

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Multiple Choice

How many possible combinations does a six-digit iPhone passcode have?

Explanation:
Each position in a six-digit numeric passcode can be any digit from 0 to 9, and the choices are independent. Multiply the possibilities for all six positions: 10 × 10 × 10 × 10 × 10 × 10 = 10^6 = 1,000,000. This includes codes like 000000, so there are one million possible passcodes. The other numbers would correspond to codes with a different length (three, five, or seven digits), which isn’t the case here.

Each position in a six-digit numeric passcode can be any digit from 0 to 9, and the choices are independent. Multiply the possibilities for all six positions: 10 × 10 × 10 × 10 × 10 × 10 = 10^6 = 1,000,000. This includes codes like 000000, so there are one million possible passcodes. The other numbers would correspond to codes with a different length (three, five, or seven digits), which isn’t the case here.

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