# 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

### 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 by...

Question | 2 Answers

### 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

### 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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### 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

### 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

## 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?

**Guest:** A second has 3600 seconds. I googled that...

Question | How many seconds does an hour 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 and...

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...

**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?

## Popular Topics

### Units: SI Prefixes for Powers of Ten

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### What is the number Pi written out completely?

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### The first 100,000 Digits of Pi

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### How many possibilities are there for Lotto 6 out of 49?

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### How many minutes does a day have?

Question | 1 Answer

### How many decimal places does Pi have?

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### Calculate Correlation or Covariance for non-equal Sample Sizes

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