Question

Write 67.45 in expanded form.(1 point)
Responses

(6×10)+(7×1)+(4×1101)+(5×1102)
left parenthesis 6 times 10 right parenthesis plus left parenthesis 7 times 1 right parenthesis plus left parenthesis 4 times Start Fraction 1 over 10 superscript 1 baseline End Fraction right parenthesis plus left parenthesis 5 times Start Fraction 1 over 10 squared End Fraction right parenthesis

(6×10)+(7×1)+(4×110)+(5×1100)
left parenthesis 6 times 10 right parenthesis plus left parenthesis 7 times 1 right parenthesis plus left parenthesis 4 times Start Fraction 1 over 10 End Fraction right parenthesis plus left parenthesis 5 times Start Fraction 1 over 100 End Fraction right parenthesis

(7×10)+(6×1)+(4×110)+(5×1100)
left parenthesis 7 times 10 right parenthesis plus left parenthesis 6 times 1 right parenthesis plus left parenthesis 4 times Start Fraction 1 over 10 End Fraction right parenthesis plus left parenthesis 5 times Start Fraction 1 over 100 End Fraction right parenthesis

(7×1)+(4×110)+(5×1100)
left parenthesis 7 times 1 right parenthesis plus left parenthesis 4 times Start Fraction 1 over 10 End Fraction right parenthesis plus left parenthesis 5 times Start Fraction 1 over 100 End Fraction right parenthesis

Answer 1

For a rational number to generate a repeating decimal, what must be true?(1 point)
Responses

The denominator must be a prime number.
The denominator must be a prime number.

The numerator must be an odd number.
The numerator must be an odd number.

The rational number must not be a mixed number.
The rational number must not be a mixed number.

The denominator must not evenly divide any power of 10.
The denominator must not evenly divide any power of 10.

Answer 2

67.45 can be written in expanded form as (6×10) + (7×1) + (4×110) + (5×1100).

Answer 3

The denominator must not evenly divide any power of 10 in order for a rational number to generate a repeating decimal.