If n is a natural number, then 10-n = 
. Negative powers of 10 can be used to write the decimal part of Hindu-Arabic numerals in expanded form. Express the expanded form as a Hindu-Arabic numeral.(3 × 10-1) + (7 × 10-2) + (9 × 10-3)
A. 3.79
B. 0.190
C. 0.379
D. 19
Answer: C
Mathematics
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?
?
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