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3 years ago

Which values have exactly 2 significant figures? Check all that apply.

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

The two numbers having exactly 2 significant figures are:

1200 feet

84 liters

Step-by-step explanation:

The significant figures of a number are the digits that carry a meaning in terms of resolution.

The rules for identifying significant digits are:

All non-zero digits are always significant
Leading zeroes (before any non-zero digit) are never significant
Zeroes between significant digits are always significant
To the right of the decimal point, zeroes at the end are always significant

Let's now analyze the numbers given here:

302 yards --> all the 3 digits are significant

1.200 feet --> here the two zeroes are non-significant, therefore only 1 and 2 are significant --> so this number has 2 significant figures

84 liters --> all non-zero digits are significant, so this number has 2 significant figures

6.040 meters --> this number has 3 significant figures (6, 0 and 4)

Learn more about significant figures:

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At 6:35 a.m., the temperature in Wisconsin was 18 degrees below zero. After that the temperature rose 4 degrees per hour. What i

tiny-mole [99]

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3 years ago

Read 2 more answers

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vovikov84 [41]

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3 years ago

Yahoo creates a test to classify emails as spam or not spam based on the contained words. This test accurately identifies spam (

Amiraneli [1.4K]

Answer and Step-by-step explanation:

The computation is shown below:

Let us assume that

Spam Email be S

And, test spam positive be T

Given that

P(S) = 0.3

$P(\frac{T}{S}) = 0.95$

$P(\frac{T}{S^c}) = 0.05$

Now based on the above information, the probabilities are as follows

i. P(Spam Email) is

= P(S)

= 0.3

$P(S^c) = 1 - P(S)$

= 1 - 0.3

= 0.7

ii. $P(\frac{S}{T}) = \frac{P(S\cap\ T}{P(T)}$

$= \frac{P(\frac{T}{S}) . P(S) }{P(\frac{T}{S}) . P(S) + P(\frac{T}{S^c}) . P(S^c) }$

$= \frac{0.95 \times 0.3}{0.95 \times 0.3 + 0.05 \times 0.7}$

= 0.8906

iii. $P(\frac{S}{T^c}) = \frac{P(S\cap\ T^c}{P(T^c)}$

$= \frac{P(\frac{T^c}{S}) . P(S) }{P(\frac{T^c}{S}) . P(S) + P(\frac{T^c}{S^c}) . P(S^c) }$

$= \frac{(1 - 0.95)\times 0.3}{ (1 -0.95)0.95 \times 0.3 + (1 - 0.05) \times 0.7}$

= 0.0221

We simply applied the above formulas so that the each part could come

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3 years ago

What is bigger grams or milligrams?

AysviL [449]

A gram, because a milligram is one thousandth of a gram.

6 0

3 years ago

Plz answer correctly and thank you

Alex777 [14]

Answer:

Step-by-step explanation:

get rid of decimals and become 2988/36

divide and get 83

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3 years ago