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il63 [147K]
3 years ago
6

Round 494 to the nearest ten

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
8 0

Answer:

490

Step-by-step explanation:

because 94 is close to 90

DiKsa [7]3 years ago
6 0

Answer:

490

Step-by-step explanation:

If the digit in the single column is 5 or more you round up and if less than 5, round down

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The number of bacteria on a piece of toast triples every
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Answer:

You begin with 1 bacteria, and after 1 hour it has tripled so you now have 1 x 3=3.

Next hour, it triples again so you now have 1 x 3 x 3=9

You can see the pattern shows that the number of bacteria is multiplying every hour by a factor of 3. An exponent denotes how many times we are multiplying a number by itself, for example: 34 means we are multiplying the number 3 a total of 4 times (3 x 3 x 3 x 3).

Therefore the question is requiring us to triple the number of bacteria every hour for 24 hours, which means we are multiplying by 3 a total of 24 times. This gives us:

n x 324 where n is the number of bacteria you begin with.

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6 0
3 years ago
Use the figure to answer the question.
Kruka [31]

Answer:

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7 0
3 years ago
A gyre is best described as a
Ivan

A gyre is best defined as a ring or circle.

3 0
3 years ago
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Find the slope of the line that passes through the pair of points (4.5, 13.5) and (–3.5, –9).
Zigmanuir [339]
Given two points: (x₁,y₁) and (x₂,y₂) the slope "m" will be:
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In this case:
(4.5 , 13.5)
(-3.5 , -9)

m=(-9-13.5) / (-3.5-4.5)=-22.5 / -8=2.8125

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3 0
3 years ago
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MrRa [10]

Answer:

Step-by-step explanation:

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5) y intercept is 5

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8) y intercept is 4

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3 years ago
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