23000 which is it in scientific notation
Answer: Second option is correct.
Step-by-step explanation:
Since we have given that

where, N represents the number of bacteria after 'h' hours.
So, we have given that there are 450 bacteria present.
N = 450
According to question,

Hence, Second option is correct.
Answer:
This sequence is arithmetic, and the next term is 25
Step-by-step explanation:
The common difference of the sequence is 6, so the next term is 19+6=25.
The difference between the consecutive terms is constant => sequence is arithmetic.
<u>7-1=6</u>
<u>13-7=6</u>
<u>19-13=6</u>
200 is the answer i know this because 40%of 200 is 80