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← Remember Numbers Like a Pro
AssessmentMeasured against the Lab's promise.9 / 10

Closing challenge

What this lesson adds

Measure the promise: 9 digits in order, 3 times out of 4.

Step 1 of 2

Same conditions as your first measurement

Identical format to the lesson you opened this Lab with, new sequences. That is what makes the two numbers comparable.

This is the only place in the Lab where the result is recorded as a reference point.