For example, when adding or subtracting numbers, you can pair up odd numbers with odd numbers and even numbers with even numbers to make calculations easier. For multiplication and division questions, you can also use the fact that odd numbers always give odd results when multiplied together, ...
In other words, you can represent them in equal numbers of rows and columns in a multiplication array.Example: Suppose you have 4 marbles. You can arrange them in 2 rows and 2 columns such that they will fit in a square shape. Similarly, you can arrange 9 marbles in a square shape ...
Step 4: Consider the impact of multiplying by 5 Any number multiplied by 5 will end with a unit digit of either 0 or 5, depending on the other number involved in the multiplication. However, since we are multiplying odd numbers, the unit digit will remain 5. Step 5: Conclude the unit ...
What number minus 9 is equal to -18? What two numbers add to equal -1.94 and multiply to equal -0.245? What are two numbers that add up to equal 1 and multiply to equal -72? One number is three times another number. When this one number is multiplied with another number and d...
A base with 0 as its power is always equal to 1. Any number raised to power 1 is always equal to that number. Any power raised to the base 0 is always equal to 0. The history of power or exponent is quite old. The term was used for the first time in 1544. ...
The number in your tax code shows how much you can earn before you have topay tax. The number is usually multiplied by 10, and this gives you the total amount of tax-free income. So the ‘1257’ in the example above represents £12,570. ...
When 1 is added to twice a number, the result is greater than or equal to 11. What is the number? There are two numbers whose sum is 53. three times the smaller number is equal to 19 more than the bigger number. What are the numbers? Four more than nine t...
In addition, to evaluate any potential moderating effect of water quality and proximity, we introduce two interaction variables: stream distance multiplied by stream quality (dist_stream*quality_stream) and canal distance multiplied by canal quality (dist_canal*quality_canal). To achieve this goal, ...
When an integer is multiplied by itself, the resultant number is known as its square number. Basically, a square number is a number that is obtained by the product of two same numbers.
body exposure to gamma radiation (although there was a generally small component of exposure to high-LET neutrons that needs to be borne in mind), so that all organs/tissues were exposed at doses that are approximately equal (although smaller for organs/tissues that are deeper within the body...