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3 years ago

How do you write 2.78 x 103 in standard form?

Mathematics

1 answer:

slava [35]3 years ago

7 0

Answer:

Do 2.78×103 = 286.34

Step-by-step explanation:

In standard form:

200+80+6+0.3+0.04

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Combine the radicals. 2√24+5√54 A) 53√6 B) 5√6 C) 19√6 D) 93√6

love history [14]

Answer:

<h3>The answer is option C</h3>

Step-by-step explanation:

2√24 + 5√54

To combine the radicals first make sure the radicals have the same square root

That's

<h3> $2 \sqrt{24} = 2 \sqrt{4 \times 6} = 2 \times 2 \sqrt{6}$ </h3><h3> $= 4 \sqrt{6}$ </h3><h3 /><h3>For 9√54</h3>

<h3> $5 \sqrt{54} = 5 \sqrt{9 \times 6} = 5 \times \sqrt{9} \times \sqrt{6}$ </h3><h3> $= 5 \times 3 \times \sqrt{6}$ </h3><h3> $= 15 \sqrt{6}$ </h3><h3 />

Since they have the same square root we can combine them

That's

We have the final answer as

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3 years ago

a bird of species a when diving can travel five times as fast as a bird of species b top speed if the total speeds for these two

jeka57 [31]

216 = x + y
y = 5x
216 = 6x
36 = x
y = 5(36)
y = 180
Species A can travel at a top speed of 180
Species B can travel at a top speed of 36

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Answer:

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10 times the sum of a number and 9

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Answer:

10(x+9)

Step-by-step explanation:

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x = 0 , − 2 , − 9

Step-by-step explanation:

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