Answered

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Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds, the bacteria double in number. If there are 10 bacteria now, how many will there be in 2 minutes

A. 160 bacteria
B. 256 Bacteria
C. 1,280 bacteria
D. 2,560 bacteria

Sagot :

mumsy
THE ANSWER IS D
YOU HAVE AT TIME ZERO 10 BACTERIA,
AFTER 15 SEC    YOU HAVE 20 BACT
AFTER 30 SEC THE NUMBER DOUBLES SO YOU HAVE 40 BACT
AFTER 45 SEC YOU YOU HAVE 80
AND SO ON, AFTER 120 SEC YOU HAVE 2560 BACT
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