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
67.45 can be written in expanded form as (6×10) + (7×1) + (4×110) + (5×1100).
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.
The denominator must not evenly divide any power of 10 in order for a rational number to generate a repeating decimal.
67.45 can be written in expanded form as:
(6 × 10) + (7 × 1) + (4 × (1/10)) + (5 × (1/100))