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In expanded form the largest exponent is one less than the number of:

ADoubles
BDecimals
CDivisors
DDigits
Answer & Solution
Correct answer: D. Digits
1. A four digit number starts at ten cubed. 2. The exponents then step down by one. 3. So the largest is one less than the digit count. _Source: OpenStax, Contemporary Mathematics, Ch 4 'Number Representation and Calculation'_
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