Question

How many digits does the number $3.00435\times 10^9+0.00002 \times 10^{-53}$ have?

score 278 · Answer 1 · 2016-10-24 15:47:50

278

Views

How many digits does the number $3.00435\times 10^9+0.00002 \times 10^{-53}$ have?

Published on 24 Oct 2016 - 15:47

score 8.5k · Answer 2 · 2016-10-26 15:47:57

8.5k

Views

$x + y = 7 $and $x^3 - y^3 = 37$, find $xy$

Published on 26 Oct 2016 - 15:47

score 276 · Answer 3 · 2016-10-26 20:53:35

276

Views

Arithmetic Progression - the sum of the first 20 terms is 590

Published on 26 Oct 2016 - 20:53

score 39 · Answer 4 · 2016-10-27 02:23:47

39

Views

Is there an invariant for mapping $(p,q) \mapsto (\frac{p}{1-(1-p)q}, \frac{qp}{1-(1-p)q})$?

Published on 27 Oct 2016 - 2:23

score 67 · Answer 5 · 2016-10-27 11:02:14

67

Views

How many distinct values can be obtained for the expression $1/2/3/5/7/11/13/17$

Published on 27 Oct 2016 - 11:02

score 107 · Answer 6 · 2026-04-01 07:52:26

107

Views

minimum number of operations(+,-,*,/,%) to represent an integer from a list of digits [1,9]

Published on 01 Apr 2026 - 7:52

score 59 · Answer 7 · 2016-10-27 13:34:33

59

Views

Write this as sum: $a_{0}+4a_{1}+7a_{2}+10a_{3}+13a_{4}$

Published on 27 Oct 2016 - 13:34

score 33 · Answer 8 · 2016-10-27 15:00:23

33

Views

Write as sum: $2x_{1}x_{2}+3x_{2}x_{3}^{2}+4x_{3}x_{4}^{3}+5x_{4}x_{5}^{4}+6x_{5}x_{6}^{5}$

Published on 27 Oct 2016 - 15:00

score 129 · Answer 9 · 2016-10-27 15:58:46

129

Views

Given a weighted graph, where the nodes add and subtract from each other. Is there convergence?

Published on 27 Oct 2016 - 15:58

score 33 · Answer 10 · 2016-10-27 20:42:20

33

Views

Issues with re-arranging this formula

Published on 27 Oct 2016 - 20:42

score 226 · Answer 11 · 2026-03-31 05:34:39

226

Views

Provide an efficient algorithm for computing $(a + b \sqrt{3})^n$?

Published on 31 Mar 2026 - 5:34

score 40 · Answer 12 · 2016-10-28 20:57:49

40

Views

How to explain commutativity between divisors and between divisor and multipliers

Published on 28 Oct 2016 - 20:57

score 64 · Answer 13 · 2016-10-30 13:44:13

64

Views

Help plotting the population growth and decline of a fictional race

Published on 30 Oct 2016 - 13:44

score 438 · Answer 14 · 2016-10-31 12:54:19

438

Views

How to perform the following division?

Published on 31 Oct 2016 - 12:54

score 288 · Answer 15 · 2026-03-31 05:40:16

288

Views

ln() and product confuse me

Published on 31 Mar 2026 - 5:40

List Question

How many digits does the number $3.00435\times 10^9+0.00002 \times 10^{-53}$ have?

$x + y = 7 $and $x^3 - y^3 = 37$, find $xy$

Arithmetic Progression - the sum of the first 20 terms is 590

Is there an invariant for mapping $(p,q) \mapsto (\frac{p}{1-(1-p)q}, \frac{qp}{1-(1-p)q})$?

How many distinct values can be obtained for the expression $1/2/3/5/7/11/13/17$

minimum number of operations(+,-,*,/,%) to represent an integer from a list of digits [1,9]

Write this as sum: $a_{0}+4a_{1}+7a_{2}+10a_{3}+13a_{4}$

Write as sum: $2x_{1}x_{2}+3x_{2}x_{3}^{2}+4x_{3}x_{4}^{3}+5x_{4}x_{5}^{4}+6x_{5}x_{6}^{5}$

Given a weighted graph, where the nodes add and subtract from each other. Is there convergence?

Issues with re-arranging this formula

Provide an efficient algorithm for computing $(a + b \sqrt{3})^n$?

How to explain commutativity between divisors and between divisor and multipliers

Help plotting the population growth and decline of a fictional race

How to perform the following division?

ln() and product confuse me

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