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3 years ago

How many significant figures is in 0.040060?

Mathematics

2 answers:

Mashutka [201]3 years ago

6 0

Answer:

5 sgf

Step-by-step explanation:

zeros at the beginning we erase and zeros at the end we dont erase them

nadezda [96]3 years ago

3 0

Answer: Sig Figs 5

Step-by-step explanation:

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mars1129 [50]

Answer:

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3 years ago

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each morning papa notes the birds feeding on his birdfeeder. so far this month he has seen 59 blue jays, 68 black crows, 12 red

USPshnik [31]

Probability is the chance of an event occuring. It is obtained by the formula number of outcomes / total number of possible outcomes.
The probability of a blue jay being the next bird papa sees is given by number of blue jays / total number of birds = 59 / (59 + 68 + 12 + 1) = 59 / 140 = 0.4214

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3 years ago

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Based on the sample results, about what proportion of the population has a favorite social network?

svet-max [94.6K]

Answer:

about 0.24

Step-by-step explanation:

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3 years ago

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Find (-5x + 6) - (-2x - 7)

Setler79 [48]

The answer is: -3x +13

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3 years ago

Find LCM of: x2 - 9, 3x3 + 81

VikaD [51]

Answer:

$\boxed{\pink{\sf (x + 3) \ is\ the \ LCM . }}$

Step-by-step explanation:

Given two expressions ,

$\qquad (1)\: x^2 - 9 \\\\ \qquad (2)\:3x^3 + 81$

And , we need to find the LCM , that is lowest common factor . So , let's factorise them seperately .

Factorising x² - 9 :- 

$= x^2 - 9 \\\\= x^2 - 3^2 \\\\ \red{= (x+3)(x-3)} \qquad\bf [Using \ a^2-b^2 = (a+b)(a-b) ]$

Factorising 3x³ + 81 

$= 3x^3 + 81\\\\= 3(x^3+27) \\\\= 3( x^3+27) \\\\ = 3(x^3+3^3) \\\\ \red{= 3 [ (x+3)(x^2+9-3x) ] } \qquad \bf{[ Using \ a^3+b^3=(a+b)(a^2+b^2-ab) ] }$

Hence we can see that (x+3) is common factor in both expressions.

Hence the LCM is ( x+3 ) .

8 0

3 years ago