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Valentin [98]
2 years ago
7

How many significant figures are there In the number 10.76

Mathematics
1 answer:
lana66690 [7]2 years ago
5 0

Answer:

Number of Significant Figures: 4

The Significant Figures are 1 0 7 6

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Simplify the expression. -2 4 A. -8 B. 16 C. -16 D. 8
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The answer is -8 because -2 * 4
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3 years ago
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4. Find the time duration for the following in your notebook: (a) 1:20 a.m. to 8.05 a.m. (b) 3:50 p.m. to 6:25 p.m. (C) 11.40 a.
padilas [110]

(a) 6 hours and 45 minutes

(b) 2 hours and 35 minutes

(c) 2 hours and 40 minutes

(d) 3 hours and 20 minutes

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2 years ago
138 invitations to 75 invitations,what is the percent change?
Thepotemich [5.8K]

Answer:

Convert to a decimal by dividing the numerator by the denominator.

1.84

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Step-by-step explanation:

7 0
3 years ago
2: A bag contains 5 black counters, 4 blue counters, and
drek231 [11]

Answer:

The probability that the counter  was blue is \mathbf{\frac{2}{5}}

Step-by-step explanation:

Number of black Counters = 5

Number of blue Counters = 4

Number of white Counters = 1

We need to write down the probability that the counter  was blue.​

First find Total Counters

Total Counters = Number of black Counters + Number of blue Counters + Number of white Counters

Total Counters = 5+4+1

Total Counters = 10

Now, we need to find probability that the counter taken was blue

The formula used is:

Probability= \frac{Number\:of\:favourable\:outcomes}{Total\:outcomes}

There are 4 blue counters in the back, so Favourable outcomes = 4

Probability= \frac{Number\:of\:favourable\:outcomes}{Total\:outcomes}\\Probability= \frac{4}{10}\\Probability= \frac{2}{5}

The probability that the counter  was blue is \mathbf{\frac{2}{5}}

5 0
2 years ago
A music buff wants to estimate the percentage of students at a midwestern university who believe that elvis is still alive. how
gulaghasi [49]
Since we are not given any information about the proportion, we will assume the sample proportion to be 0.50

so,
p = 0.50
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z = 1.645 (Z value for 90% confidence interval)

The margin of error for population proportion is calculated as:

E=z* \sqrt{ \frac{p(1-p)}{n} }  \\  \\ 
 \frac{E}{z} = \sqrt{ \frac{p(1-p)}{n} }  \\  \\ 
( \frac{E}{z} )^{2}= \frac{p(1-p)}{n} \\  \\ 
n= p(1-p)* (\frac{z}{E})^{2}  \\  \\ 
n=271

This means 271 students should be included in the sample
5 0
3 years ago
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