Q. The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in culture originally, how many bacteria will be present at end of 2nd hour , 4th hour , and nth hour...?
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Answered by
1
2nd hr 60 4th hr 480 and it will increase so on
nitinshekhawat1234:
Deepu2singh your answers are wrong..?
mine too??
correct answers are...
at 2nd hour is 120 and at 4th hour is 480 and at nth hour it is 30×(2)power n
i was almost right!!!
thx
i too
yes niti117 you are almost right
thx
Answered by
7
in first hour bac = 30 × 2 =60
2nd hr = 60 × 2 = 120
3rd hr = 120 × 2= 240
4 th hr = 240 ×2= 480
as the sequene ...continues
30 × 2^n= no. of bacterias
hope it hlps.....mark brainliest if it suits u
2nd hr = 60 × 2 = 120
3rd hr = 120 × 2= 240
4 th hr = 240 ×2= 480
as the sequene ...continues
30 × 2^n= no. of bacterias
hope it hlps.....mark brainliest if it suits u
no problem but what is you full name
ok bye and GN Niti117
niti nassa
n btw in which class u are?
hi
hlo
i study in class 11 and you
lip lock
easch other
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