Doubling n seems to double the time.

That longer time's called the doubling time and we need to know how you calculate the doubling time.

Doubling

What's the doubling time for 7 growth? Ten years.

After one doubling time, the growing quantity is up to twice its initial size.

Now, shall we go for doubling?

It's doubling every 18 months now.

And they're doubling back behind us.

7 growth per year divide the seven into 70, the doubling time is ten years.

Population

Population?

Population?

Population?

I hope you don't mind doubling up.

And all of a sudden we're doubling.

Tech industry spent billions doubling chip power.

Tech Industry spent billions doubling chip power.

When the economic growth goes to eight percent and population growth drops to 1.5 percent, then per capita income is doubling every nine years.

And all this at a time when the population has doubled.

You just take the number 70, divide it by the percent growth per unit time and that gives you the doubling time.

Well, just one doubling it's not that big.

So huge. More than doubling from last year.

However, your brain isn't doubling every two years.

Merle's closest. The guns would mean doubling back.

Population size

World population,

When India was growing at about three, 3.5 percent and the population was growing at two percent, its per capita income was doubling every 45 years.

Spatial resolution of brain scanning is doubling every year.

The second is for continued population, human population expansion.

First, population growth.

It's population based.

Resident population 562.

Transient population one.

3,613 total population.

Processing and population.

They're going to keep doubling all the way into 2012.

The population remains stationary.

The population is increasing.

First, we've got population.

So population goes up.

It's always population growth.

OK, the American population.

Call them the population.

Wajid, Somalia population 325,

Two doubling times, it's up to four times its initial size.