Question

My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits. Write the 2-digit number that matches the clues

Answer 1

Answer:

The number is 91

Step-by-step explanation:

Let x be the ones place digit and y be the tens place digit,

Then the number would be 10y + x,

We have,

y - x = 8

Possible values of y and x = { (8, 0), (9, 1) }

∵ 0 is not the digit of the number,

Hence, y = 9 and x = 1

Therefore, required number = 10(9) + 1 = 90 + 1 = 91

Answer 2

The requested number is: 91

Further explanation

Numbers are quantities used in measurements

Numbers in mathematics can be divided into several terms

• 1. integer

numbers consist of positive, negative and 0 numbers

• 2. natural numbers

numbers consisting of positive numbers, starting with number 1

• 3. whole number

a number consists of positive numbers and zeros

• 4. prime number

numbers that can only be divided by numbers themselves and the number 1

And examples of other numbers such as imaginary numbers, real numbers, rational numbers, etc.

Integers themselves consist of

• 1. positive integers

the number to the right of the number 0 is 1,2,3 ...

• 2. negative integers

the numbers to the left of the zeros are -1, -2, -3 ...

• 3. number 0

From the above questions we can separate into several sections:

• Write the 2-digit number that matches the clues

Means the number requested consists of 2 numbers, let us suppose the tens = x and the ones = y, so the number is xy

• My number has a tens digit that is 8 more than the ones digit

we can translate this sentence into the equation:

x = y + 8

So from the numbers 0 to 9 that have a difference of 8 to fill the values ​​of x and y are

• 0 and 8
• 1 and 9

because Zero is not one of my digits, the most appropriate numbers x and y are 1 and 9

So the number requested is $\large{\boxed{\bold{xy=91}}$

Learn more

Express 0.000431 L answer as an integer

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type of number

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Classify the number as a natural, whole, integer, rational, or irrational.

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Keywords: integer, digit, the tens, the ones, number