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as a fraction.
0.344 = 0.344/1
The 4 is in the thousandths place. Multiply both the numerator and the denominator by 1000.
0.344 × 1000 = 344
1 × 1000 = 1000
This gives us: 344/1000
It's fraction form can be reduced. Simply divide both the numerator and the denominator by 8:
344 ÷ 8 = 43
1000 ÷ 8 = 125
Answer:
AB ≈ 8.5
Step-by-step explanation:

c ≈ 8.5
The first checkpoint = 1check
the second checkpoint = 2check
complete distance = f
1check = 2/5 (2check)
2check = 1/4 (f)
then
1check = 2/5 * 1/4 (f)
1check = 1/10 f
the distance of the first check point is 1/10 of the distance of race