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A culture of a certain bacteria doubles every hour. At 9:00 a.m, there were already 120 bacteria. Which equation represents the...Asked by InuChan
A culture of a certain bacteria doubles every hour. At 9:00 a.m, there were already 120 bacteria. Which equation represents the number of bacteria,
n
, at 8:00 a.m? How many bacteria were there?(1 point)
2n=120
; at 8:00 a.m., there were 240 bacteria.
n
2
=120
; at 8:00 a.m., there were 60 bacteria.
n
2
=120
; at 8:00 a.m., there were 240 bacteria.
2n=120
; at 8:00 a.m., there were 60 bacteria.
n
, at 8:00 a.m? How many bacteria were there?(1 point)
2n=120
; at 8:00 a.m., there were 240 bacteria.
n
2
=120
; at 8:00 a.m., there were 60 bacteria.
n
2
=120
; at 8:00 a.m., there were 240 bacteria.
2n=120
; at 8:00 a.m., there were 60 bacteria.
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