4 years ago

How do you write 5x100+3x10+8x0.1+9x0.001

Mathematics

1 answer:

patriot [66]4 years ago

5 0

You write it as (5*100)+(3*10)+(8*0.1)+(9*0.001). The answer to this question is 500+30+0+0.8+0.00+0.009, or 530.809.

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I have 8 pieces of bacon, the cost per unit is $0.35 , what is the total cost?

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Answer:

$2.80

Step-by-step explanation:

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4 years ago

One the first day of school, each student is given $0.50 to attend. On day two, each student earns $1.00, day 3, $2.00, etc. How

aalyn [17]

Answer:

They earn $256 on the ninth day of school.

Step-by-step explanation:

A geometric sequence(in which each term is the previous term multiplied by the ratio) has the following format:

$a_{n+1} = r \times a_{n}$

In which r is the common ratio.

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$a_{n} = a_{1} \times r^{n}$

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In this question:

On the first day, $0.50. So $a_{1} = 0.5$ .

Day two $1.00, day three $2.00.

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Then

$a_{n} = 0.5 \times 2^{n}$

How much do students earn on the ninth day of school?

$a_{9} = 0.5 \times 2^{9} = 256$

They earn $256 on the ninth day of school.

3 0

3 years ago

How do you do this I am so confused please help me

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4 years ago

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