# Mathematics and Statistics

Welcome to the portal about Mathematics and Statistics.## New Topics

How many seconds does a day have?

Of how many seconds does a complete day actually consist? Does anyone know? That must really be quite a...

Question | 1 Answer

Of how many seconds does a complete day actually consist? Does anyone know? That must really be quite a...

Question | 1 Answer

How many seconds does an hour have?

Can someone tell me how many seconds there are actually in one hour? I'm not in the mood to calculate this b...

Question | 1 Answer

Can someone tell me how many seconds there are actually in one hour? I'm not in the mood to calculate this b...

Question | 1 Answer

How many minutes does a day have?

Can someone tell me how many minutes a day has? We have to answer that question at school and I have no idea how to come up with...

Question | 1 Answer

Can someone tell me how many minutes a day has? We have to answer that question at school and I have no idea how to come up with...

Question | 1 Answer

The first 100,000 Digits of Pi

I have often been asked the question, how many decimal places Pi actually has. The answer is: Pi is an irrational number and...

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I have often been asked the question, how many decimal places Pi actually has. The answer is: Pi is an irrational number and...

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How many decimal places does Pi have?

When entering the number Pi in my pocket calculator, I exactly get 9 decimal places displayed (3,141592654). Recently, my teacher...

Question | 1 Answer

When entering the number Pi in my pocket calculator, I exactly get 9 decimal places displayed (3,141592654). Recently, my teacher...

Question | 1 Answer

Convert Fractions into Percentages

I have to convert some fractions to their corresponding percentages for a piece of homework. The task is for example that...

Question | 1 Answer

I have to convert some fractions to their corresponding percentages for a piece of homework. The task is for example that...

Question | 1 Answer

## New Answers and Comments

**Square:**1 day = 86400 seconds The calculation is quite simple: 1 day consists of 24 hours, each of these hours consists of 60 minutes...

Question | How many seconds does a day have?

**Square:**1 hour = 3600 seconds The calculation is quite simple: 1 minute consists of 60 seconds, 1 hour consists of 60 minutes....

Question | How many seconds does an hour have?

**Square:**1 day = 1440 minutes One day has 1440 minutes. This can be calculated relatively easily if you know that a day has 24 hours...

Question | How many minutes does a day have?

**Square:**Writing out pi completely with all of its decimal places is impossible according to the current state of science. The reason is that the...

Question | What is the number Pi written out completely?

**Square:**Pi is an irrational number, thereby it is endless and infinite long. Therefore, no one can tell you an exact number of decimal places for...

Question | How many decimal places does Pi have?

**Square:**That is quite easy: percent means nothing else than "per 100". Accordingly, 1 percent is 1 per 100 or in writing of fractions 1/100. So,...

Question | Convert Fractions into Percentages

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