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3 years ago

350 over 100 in percent and decimal

Mathematics

2 answers:

bixtya [17]3 years ago

8 0

350/100=3.5

A decimal times 100 will give you the percentage

350/100*100= 350%

andreyandreev [35.5K]3 years ago

5 0

In decimal form its 3.5 in percents its 350%

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The following measurements were added: 5.45 + 6.1 + 2.84. what should

Natali [406]

Answer: 14.39

Explanation:

5.45+2.84= 8.29
Then for 6.1 you add a zero to the end and make it 6.10 which is the same thing
Now 8.29+6.10= 14.39

3 0

3 years ago

(110×110×110×110)2=?

sveticcg [70]

Answer:

2.9282 × 10^8

Step-by-step explanation:

(110×110×110×110)2

(146410000)2

292820000

292820000 can be simplified to 2.9282 × 10^8.

Hope this helps.

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3 years ago

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Inessa05 [86]

Answer:

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3 years ago

Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f

STALIN [3.7K]

Answer: b) 84

Step-by-step explanation:

Let p be the prior estimate of the required proportion.

As per given , we have

p =0.5 (The probability of getting heads on a fair coin is 0.5)

Significance level : $\alpha: 1-0.90=0.10\\$

Critical z-value (using z-value table ) : $z_{\alpha/2}=1.645$

Confidence interval width : w= 0.18

Thus , the margin of error : $E=\dfrac{w}{2}=0.09$

Formula to find the sample size ( if prior estimate of proportion is known.):-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

Substitute the values , we get

$n=0.5(1-0.5)(\dfrac{1.645}{0.09})^2$

Simplify ,

$n=83.5192901235\approx84$ [Round of to the next whole number.]

Hence, the number of times we would have to flip the coin =84

hence, the correct answer is b) 84

8 0

3 years ago

Hardest one yet.. complete all of these i mean all of em

Nonamiya [84]

Answer:

1st one: 16

2nd one: 16

3rd one: 64

4th one: 27

5th one: 1000

Step-by-step explanation:

Have a great day

3 0

3 years ago