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3 years ago

13822 to 1 significant figure

Mathematics

1 answer:

Verdich [7]3 years ago

3 0

If you wanna round 13822 to 1 significant figure you will need to find the nearest 10k, which is 10000 in this case

10000 = 1 . 10^4

That means

13822 ≈ 1 . 10^4 = 1(overline)0000

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Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively.

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3 years ago

27.

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Answer:

The cost of comic is $2.8 and the cost of magazine is $4.2.

Step-by-step explanation:

Given : Eugene bought 27 comics and 12 magazines for $126. If 3 comics cost as much as 2 magazines.

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Solution :

Let the cost of a comic be 'c'

the cost of a magazine be 'm'

If 3 comics cost as much as 2 magazines.

i.e. $3c=2m$

$c=\frac{2m}{3}$ ....(1)

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i.e. $27c+12m=126$ .....(2)

Substitute the value of c from (1) in (2),

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3 years ago