Which digit length indicates 100 meter accuracy?

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Multiple Choice

Which digit length indicates 100 meter accuracy?

Explanation:
In map grid references, precision grows as you add more digits. Each extra pair of digits narrows the reference to a smaller grid square. A two-digit reference points to a 10 km square, four digits to a 1 km square, and six digits to a 100 m square. With three digits for the easting and three for the northing, you’re identifying a area about 100 meters by 100 meters, giving roughly 100-meter accuracy. So the length that indicates 100-meter accuracy is six digits.

In map grid references, precision grows as you add more digits. Each extra pair of digits narrows the reference to a smaller grid square. A two-digit reference points to a 10 km square, four digits to a 1 km square, and six digits to a 100 m square. With three digits for the easting and three for the northing, you’re identifying a area about 100 meters by 100 meters, giving roughly 100-meter accuracy. So the length that indicates 100-meter accuracy is six digits.

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