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katrin2010 [14]
2 years ago
6

Please, its for a test!

Mathematics
1 answer:
-BARSIC- [3]2 years ago
8 0

Answer:

No

Step-by-step explanation:

No

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Jordan was asked to convert 345,000,000 to scientific notation. His response was 34.5*10^7. His teacher told him he was incorrec
mel-nik [20]

Step-by-step explanation:

The scientific notation of any number is given by :

N=a\times 10^b

a is any real no and b is any integer

The scientific notation of 345,000,000 should be 3.45\times 10^8 but Jorden wrote 34.5×10⁷. He is incorrect. He should have shifted decimal before 4 such that power of 10 becomes 8.

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3 years ago
Write the explicit rule by writing each term as the product of the first term.
Alexeev081 [22]

Answer:

1 f(n) = 3(5)^x-1

2 f(n) = 40(3/2)^x-1

Step-by-step explanation:

The first number in the sequence, times the (multiplicative factor)^ x-1 is the rule for geometric sequences.

7 0
3 years ago
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The price for a gallon of whole milk has increased from 2006 to 2008. from 2006 to 2007, the cost of whole milk increased by app
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You have the starting price of $1.99. To get the increased price, divide 1.99 by .56 (.56 is the decimal form of 56%). You would get $3.55. This is for the year 2007. So for 2008, divide 3.55 by .42. The answer is $8.45. You can check the answers by multiplying the answers you go the the percentage. Ex. 8.45* .42=3.55 (rounded)
3 0
3 years ago
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3 0
3 years ago
9/(x - 8) = 4/5 how to solve this proportion
ICE Princess25 [194]
\frac{9}{x-8}=\frac{4}{5}
Cross multiply:
(9)(5)=(4)(x-8)
Simplify:
45=4x-32
Group like terms:
77=4x
Solve for x by division:
x=\frac{77}{4}
x=19.25
6 0
3 years ago
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