Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**evene****Member**- Registered: 2015-10-18
- Posts: 271

(1) Write the base-6 number

as a base 3 number(2) If

, what is the value of x?(3) In the sequence

how many terms have 3 as the units digits?(4) What is the least integer value of n for which

?(5) What is the least integer value for x for which

?I just don't know where to start and (on some of them), how to do them. I also find computing different bases right now a big overwhelming as I've just learned them.

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**thickhead****Member**- Registered: 2016-04-16
- Posts: 982

**{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha{Gods rejoice at those places where ladies are respected.}**

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 107,133

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

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