Advertisements
Advertisements
Question
The cells of a bacteria double in every 30 minutes. A scientist begins with a single cell. How many cells will be there after 24 hours?
Advertisements
Solution
The cell of a bacteria in every 30 min = 2 ...[∵ 1 + 1 = 2 in 30 min]
So, cell of a bacteria in 1 h = 22 ...[∵ 2 + 2 in 1 h]
Similarly, bacteria in 24 h = 224 × 224
= 224 + 24 ...[∵ am × an = am + n]
= 248
APPEARS IN
RELATED QUESTIONS
Simplify and write the answer in the exponential form.
`(- 3)^4 xx (5/3)^4`
The value of 35 ÷ 3–6 is ______.
For any two non-zero rational numbers x and y, x4 ÷ y4 is equal to ______.
For a non-zero rational number z, (z–2)3 is equal to ______.
On multiplying ______ by 2–5 we get 25.
Find the value of n.
`(2^n xx 2^6)/2^-3 = 2^18`
Find a single repeater machine that will do the same work as hook-up.
Supply the missing information for diagram.
Find x.
`((-6)/7)^(x - 7) = 1`
Simplify:
`((9)^3 xx 27 xx t^4)/((3)^-2 xx (3)^4 xx t^2)`
