In hexadecimal notation, what does the prefix 0x indicate?

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Multiple Choice

In hexadecimal notation, what does the prefix 0x indicate?

Explanation:
The 0x prefix marks a hexadecimal literal, signaling that the digits that follow are base-16 values. It is placed at the start of the numeric constant so readers know to interpret 0-9 and A-F as hex digits, not decimal. For example, 0x2A represents decimal 42. The prefix isn’t used at the end or related to bytes after a colon in formatting; it’s simply the standard way to indicate a hex number at the beginning of the value.

The 0x prefix marks a hexadecimal literal, signaling that the digits that follow are base-16 values. It is placed at the start of the numeric constant so readers know to interpret 0-9 and A-F as hex digits, not decimal. For example, 0x2A represents decimal 42. The prefix isn’t used at the end or related to bytes after a colon in formatting; it’s simply the standard way to indicate a hex number at the beginning of the value.

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