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2 years ago

What is 3.502 rounded to the nearest 0.1 pound

Mathematics

2 answers:

Luda [366]2 years ago

3 0

Answer:

3.5

Step-by-step explanation:

Grace [21]2 years ago

3 0

Answer:

3.5

Step-by-step explanation:

A number rounded to the nearest 0.1 will only have 1 number after the decimal point, meaning the numbers that follow after must be rounded either to raise the shown number up 0.1, or rounded down to keep the same digit value.

Rounding:

Example: 48.6738 rounded to the nearest 0.1

The digit directly after the digit that will be rounded is the only factor to determining if it is rounded up or down.

- 6 is the number that is being rounded

- 7 is the number that will determine if the 6 stays the same or is raised 1 digit.

If the determining number is 5 or more, then the rounding number will be raised. If the determining number is 0-4, then it will stay the same.

Because in this example, the determining number is 5 or more, the 6 will be raised to 7.

So, 48.6738 rounded to the nearest 0.1 is 48.7.

For the number 3.502, 0 is the determining number. Because it is in the range of 0-4, the rounding number, 5, will stay as is.

So, 3.502 rounded to the nearest 0.1 is 3.5.

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Answer:

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Step-by-step explanation:

Given

$p(x) = \frac{x^2-2x-3}{x+2}$ -- Missing from the question

Required

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$p(x) = \frac{x^2 + x -3x - 3}{x+2}$

Factorize

$p(x) = \frac{x(x + 1) -3(x + 1)}{x+2}$

Factor out x + 1

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We are only interested in the sign of the result

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As x approaches -2 implies that:

$x -> -2^{-}$ Say x = -3

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Take note of the superscript of 2 (this implies that, we approach 2 from a value less than 2)

As x leaves -2 implies that: $x>-2$

Say x = -2.1

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$x->-2^{-}, p(x)->-\infty$ and as $x->-2^{+}, p(x)->-\infty$

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