2 years ago

Largest possible number that equals 5000 when rounded to one significant figure

Mathematics

1 answer:

Molodets [167]2 years ago

3 0

Answer:

four significant digits

Step-by-step explanation:

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For this case we have to:

x: Represents the unknown number

y: Represents the exponent of base 10

So, considering a system of equations we have:

$x * 10 ^ y = 40,000\\\frac {x} {10 ^ y} = 0.000004$

From the first equation we have:

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Substituting in the second equation:

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We choose the positive value:

$x = 0.4$

So, the number is 0.4.

So:

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Thus, the exponent is 5.

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