Learn Decimals: Easy Solutions to Understand

How to formally define decimal truncation?
$f_{n} (r) = 10^{- n} sign (r) ⌊10^{n} | r |⌋$

Rylan Sullivan 2022-04-23

How many base 10 decimal expansions can a real number have?

Elise Winters 2022-04-23

How do you write the the decimal 8.823 in expanded form?

Bruce Rosario 2022-04-22

Period length in the decimal expansion of fractions $\frac{1}{n}$
$\frac{1}{7}$ is $1 \times 6$ digits repeating, $\frac{1}{13}$ is $2 \times 6$ digits repeating. Why?

luminarc24lry 2022-04-22

Infinite binary having infinite decimal
$\frac{1}{2} = 0.5 = {(0.1)}_{2}$

Averie Ray 2022-04-22

Simplify ${(1 - x)}^{3} + 2 y^{3} - 3 (1 - x) y^{2} = 0$ to $- (x - 2 y - 1) {(x + y - 1)}^{2} = 0$

Libby Boone 2022-04-22

Proof for how $0.9999999 \dots = 1$

misangela4gi 2022-04-22

How to demonstrate the method used to convert decimal to any other base?
Let's say we have an arbitrary number in base b, ${(x_{3} x_{2} x_{1} x_{0})}_{b}$ .

ulcerat9jr 2022-04-22

How do you write two decimals that is equivalent to 3.7?

broggesy9 2022-04-22

How do you write 314,207 in standard form?

Ali Marshall 2022-04-21

How do you write 3.141 in expanded notation?

Bruce Rosario 2022-04-21

The number 1.5 is special because it is equal to one quarter of the sum of its digits, as $1 + 5 = 6$ and $64 = 1.5$ .Find all the numbers that are equal to one quarter of the sum of their own digits.

dreangannaa 2022-04-20

How many digits does $2^{25964951} - 1$ have?

Benjamin Hampton 2022-04-20

How do you write two decimals that is equivalent to 0.9?

Mekhi Cox 2022-04-20

How do you write two decimals that are equivalent to 2.50?

p3sa1bynn 2022-04-20

Using long division, write the rational number $- \frac{9}{24}$ as a terminating decimal?

Charlotte Holden 2022-04-19

The number of decimals numbers between different size number ranges equal?
For instance, is it correct to say that the number of decimals Numbers between 220 and $289.999 \dots$ and the number of decimal numbers between 297 and $297.999 \dots$ are equal? Even though the range of the former is 70 times bigger?

Jewel Beard 2022-04-19

What is 7.351 round to 1 decimal place?

Some of you may remember solving equations with decimals by looking back at the school years, yet it is also easy to get lost in this seemingly simple pre-algebra field. If working with decimals sounds too complex to you or you require a reminder, have a look at the list of decimals questions and answers below to see how it is done.

At the same time, if you are still not sure about finding the right solution, start with the high school Math and see more than one solution as you seek similarities.

Pre-Algebra