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Numbers

Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.

46,867 Questions

What is the answer to round 3.38?

3.38 is approximate to

  • 0 to the nearest ten
  • 3 to the nearest whole number/unit
  • 3.4 to the nearest tenth

How do you write 31.345 in word form?

Thirty-one and three hundred forty-five thousandths.

How many inches are in 200 miles?

12 inches = 1 foot

5280 feet = 1 mile

1. Convert miles to feet by multiplying by 5,280.

200 x 5,280 = 1,056,000 ft

2. Convert feet to inches by x by 12

1,056,000 x 12 = 12,672,000 inches in 200 miles!

How do you abbreviate an irrational number?

You can just round it off. For example, if your number is 8.38572998472654400131... that is equal to approximately 8.4 (if two significant digits is enough for your purposes) or 8.39 (if you prefer 3 significant digits).

What is mass and the unit of mass?

Mass is a measure of the amount of matter in an object. The SI unit is a kilogram.

Is -54 a rational or irrational?

rational. Just remember that a rational number is one that may be formed from a ratio. e.g. -108/2.

What is ten more than a number plus 3?

Just do 3+What ever number here

So say 3+10=13

Than you do 13+10=23

Boom there.

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Another approach . . .

It could be

(x + 3) + 10

or it could be

(x + 10) + 3 .

Either way, it becomes (x + 13) .

What is the logic of a negative number multiplied by another negative number becomes positive?

there is booklet called IMP that explains it very VERY CLEARLY using fire cubes and Ice cubes.

You need to see the drawing for it to make sense. Look it up as IMP

How do you write 5014.023 in word form?

Five thousand and fourteen and twenty-three thousandths.

Or: Five thousand and fourteen point zero two three.

Which number sentence could be used to find the number of centimeters in 2 centimeters?

It seems to me that you would not need to dream up any new-fangled sentence.

All you need to do is focus your attention and take a good long look at the sentence

that asks: "How many centimeters are there in 2 centimeters ?"

Why the dinominator of rational number should not be zero?

The denominator of any number cannot be zero because division by zero is not defined.