Decadic number

What is the expanded form of this number?

18.029

A: (1x10)+(8x1)+(2x1/10)+(9x1/100)
B: (1×10)+(8×1)+(2×1/10)+(9×1/1,000)
C: (1×10)+(8×1)+(2×1/100)+(9×1/1,000)
D: (1×10)+(8×1)+(2×11/00)+(9×1/100)

Correct answer:

x = C

Step-by-step explanation:

A=(1 10)+(8 1)+(2 1/10)+(9 1/100)=1001829=1810029=18.29 B=(1 10)+(8 1)+(2 1/10)+(9 1/1000)=18.209 C=(1 10)+(8 1)+(2 1/100)+(9 1/1000)=18.029 D=(1 10)+(8 1)+(2 1/100)+(9 1/100)=1001811=1810011=18.11  x=C



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