When costs rise exponentially, even the rich run out of money.

In recent years, however, the amount of available news and financial information has risen exponentially.

In the 1960s and 70s the number of divorced single parents rose exponentially.

Less than a year later, the spending has risen exponentially.

Up until the millennium, the number of students enrolled at the university rose exponentially.

If b is truly constant, then N will rise exponentially.

Rent in my Brooklyn neighborhood has also risen exponentially over the last couple of years.

He was astonished to discover that it had risen exponentially.

Street crime, fed by an explosion of drug abuse, has risen exponentially.

Moreover, the costs that neither tuition nor public dollars will cover are rising exponentially.