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Mama L [17]
2 years ago
15

Which of the following numbers is the greatest?2.5-2.50-7​

Mathematics
2 answers:
WITCHER [35]2 years ago
6 0

Answer:

2.5

Step-by-step explanation:

You can immediately rule out negative answers. The next integer you would look at is 0; however, 2.5 is bigger than zero - so 2.5 is the greatest. Hope this helped, you can apply this method to similar questions.

vodka [1.7K]2 years ago
4 0

Answer:

2.5

Step-by-step explanation:

2.5 is the only positive number amongst the options, so it must be the greatest.

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Simplify 2 to the fifth power over 3 squared all raised to the fourth power. 2 to the twentieth power over 3 to the eighth power
Sunny_sXe [5.5K]

2 to the fifth power over 3 squared all raised to the fourth power

\left(\dfrac{2^5}{3^2}\right)^4=\dfrac{(2^5)^4}{(3^2)^4}=\dfrac{2^{5\cdot4}}{3^{2\cdot4}}=\dfrac{2^{20}}{3^8}

Answer: 2 to the twentieth power over 3 to the eighth power

Used:

\left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\(a^n)^m=a^{n\cdot m}

5 0
3 years ago
Scarlet opened a savings account and deposited $100 as principal. The account earns 10% interest, compounded yearly. What is the
IrinaVladis [17]

Answer: the balance after 9 years is

$235.8

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1 + r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = $100

r = 10% = 10/100 = 0.1

n = 1 because it was compounded once in a year.

t = 9 years

Therefore,.

A = 100(1 + 0.1/1)^1 × 9

A = 100(1 + 0.1)^9

A = 100(1.1)^9

A = $235.8

5 0
3 years ago
What is the approximate area of a sector with radius equal to 8 and measure of arc equal to 300°?
zimovet [89]
Sector Area = (central angle / 360) * PI * radius^2
Sector Area = 300 / 360 * PI * 8^2
Sector Area = (5/6) * 64 * PI
Sector Area = 53.3 * PI

Source:
http://www.1728.org/radians.htm


5 0
3 years ago
Read 2 more answers
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Marina CMI [18]
Yes! The lengths of each side must be less than the sum of the other two lengths. It looks like this:
4+4>7
7+4>4
4+7>4
8 0
3 years ago
In right triangle XYZ, XY = 21 and<br> XZ = 35. Find YZ.<br><br> What is the answer
mart [117]

Answer:

28

Step-by-step explanatio

7 0
3 years ago
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