Untouched Corners Of The Earth
Bouvet Island Norway
The singular most remote island in the world, the Norweigan Bouvet Island is completely uninhabited. The first successful mission to summit the highest point on the island took place just recently in 2012, and the team of four left behind a time capsule to be retrieved in 2062.
Use hundred when there is a specific number, and use hundreds when you don't know or can't count how many. This rule also applies to thousand/thousands and million/millions. This skeleton is thousands of years old. This skeleton is three thousand years old.
When saying numbers, always use the singular form:
250 = Two hundred and fifty
Two hundreds and fifty
7,812 = Seven thousand, eight hundred and twelve
Seven thousands, eight hundreds and twelve
$10,000,000 = Ten million dollars
Ten millions of dollars