Video explanation

K8

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3 min read
What is 4/5 as a decimal?
Blog K8
4/5 as a decimal is 0.8 Want to practice? The fractions that have numbers with 1 followed by one or more zeros in the denominator can be directly converted to the decimal form. The decimal in the numerator of the fraction is moved as many digits to the left as many zeros in the denominator. […]

Dino

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3 min read
What is 19/32 as a decimal?
Blog K8
19/32 as a decimal is 0.59375 Want to practice? Solution The long division method is used to convert fractions to their decimal form. The numerator of the fraction is the dividend and the denominator is the divisor. The division is carried out till either a remainder of 0 is arrived at or the same remainder […]

Dino

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6 min read
Is 41 a prime number?
Blog K8
The first six prime numbers are 2, 3, 5, 7, 11, and 13. When we add them up, we get 2 + 3 + 5 + 7 + 11 + 13 = 41, which is another prime number! Amazing! Don’t you think? In this article, we will learn why 4 1 is a prime number,and […]

Dino

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5 min read
Is 57 a prime number?
Blog K8
Fifty-seven is closely related to prime numbers. For example, 57’s digits are both prime numbers: 5 and 7. Also, 57 can be written using the primes numbers 2 and 5: $$57\;=\;5^2\;+\;2^5\;$$ However, 57 itself is not a prime number, as we will study next. We will start recalling some definitions that we have widely discussed […]

Dino

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6 min read
Is 43 a prime number?
Blog K8
How many random people should be gathered to ensure that at least five of them will know each other, or at least five of them will be complete strangers to each other? You guessed right, 43 people are needed! Another property of 43 is that it is a prime number, as we will see next. We […]

Dino

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2 min read
What is 7/12 as a decimal?
Blog K8
7/12 as a decimal is 0.5833… Want to practice? A fraction is the representation of the number of parts taken out of the whole parts. It has the numerator and the denominator. The numerator is the value at the top of the fraction and the denominator is the value at the bottom of the fraction. […]

Dino

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3 min read
What is 1/5 as a decimal?
Blog K8
1/5 as a decimal is 0.2 Want to practice? What is an equivalent fraction? Equivalent fractions are different fractions that simplify to the same basic fraction. The equivalent fraction is obtained by multiplying the same number to the numerator and the denominator. We use the concept of the equivalent fraction to convert the given fraction […]

Dino

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5 min read
Is 51 a prime number?
Blog K8
The most common questions in mathematics about number 51 are: What are its factors? Is it divisible by 3? Is it a multiple of 9? Is it a prime or a composite number? Those are all questions that we will answer next! We will start recalling some definitions that we have widely discussed in our […]

Dino

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Everything you ever wanted to know about K-8 math! ArgoPrep’s kindergarten to 8th grade math blogs cover topics from state exams, classwork, homework, strategies, secrets, and more.

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