Asked by Anonymous
Which of these nonterminating decimals can be converted into a rational number? (1 point)
0.626226222…
0.020220222…
0.123123123…
0.898998999…
0.626226222…
0.020220222…
0.123123123…
0.898998999…
Answers
Answered by
mathhelper
The only one which is a true "repeating" decimal number is
.123123123...
= 123/999
= 41/333
.123123123...
= 123/999
= 41/333
Answered by
Bosnian
A rational number is a number that can be expressed as the fraction :
p / q
where p and q are two integers
0.123123...
because:
1000 • 0.123123 - 0.123123 = 123.123123... - 0.123123...
999 • 0.123123...= 123
Divide both sides by 999.
0.123123... = 123 / 999 = 3 • 41 / 3 • 333
0.123123... = 41 / 333
p / q
where p and q are two integers
0.123123...
because:
1000 • 0.123123 - 0.123123 = 123.123123... - 0.123123...
999 • 0.123123...= 123
Divide both sides by 999.
0.123123... = 123 / 999 = 3 • 41 / 3 • 333
0.123123... = 41 / 333
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