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How do you do multiplication for several numbers without a calculator?
Wiki User
∙ 14y ago
Multiply two at a time.
I often try to factor the numbers and group the factors as I have learned a few of the first powers of several of the low primes.
I also use rough estimates to check that my answer is in the right "ballpark" often the estimates are "good enough" I also sometimes use my phone calculator...
Wiki User
∙ 14y ago
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How do you square root the area of a square?
You use the square root key on a calculator, or the sqrt() function in Excel. If you want to do it without a calculator, there are several methods; one that is fairly straightforward is trial and error: just try squaring different numbers until you get close enough. (Other methods may be faster, but are still iterative - you have to repeat the same steps several times, until you get sufficient precision.)
How do I do square root?
The best ways to find a square root, without memorizing multiplication tables, are:use the button on your calculator that looks like this: √Google "square root of" and type your numberJust remember that numbers have 2 square roots, a positive and a negative (calculators like the above will only show you the positive result).
Which set of numbers is closed under the operation of division?
There are several; the most well-known are probably the set of rational numbers without zero, the set of real numbers without zero, and the set of complex numbers without zero.
What is a calculator that can find the function of a table without a common ratio?
In reality, there is no such calculator - nor can there ever be one. This is because there are infinitely many possible functions that will fit any finite table of numbers.
What is the math definition of the distributive property of multiplication?
An operation is commutative if you can change the orderof the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2.* * * * *Oh dear!Multiplication is commutative for ordinary numbers but not for matrices, so not a correct answer. But what has any of this to do with the question?The distributive property states thata(b+c)=ab+acyou take the numbers on the inside and multiply them by the number(s) on the outside.
Why estimate a multiplication problem?
so you can get an idea where abouts the answer is going to be so if your q seems wrong If you are talking about multiplication of large numbers long hand without the use of a calculator the method used is based on estimation. At the end if you have done your sums right the estimates added together will give the right answer.
How do you perform multiplication of two numbers without using the multiplication operator?
By using repeated addition. Consider two numbers a and b. If you want to find a*b then you can add the numbers repeatedly in a loop to get the product. Eg:product = a;for( i=1; i
How do you figure out 99 squared without a calculator?
99 squared, written 992, is the same as 99 x 99 (multiply the number with itself). You can simply do the multiplication.
Why can you break apart numbers to multiply without changing the product?
Because of the distributive property of multiplication over addition.
What does Russian multiplication allow you to do?
it allows you to multiply big numbers without times tables click to see more
Why is the calculator important?
Without it you wouldn't be able to find the square roots of prime numbers.
What is associative property multiplication?
The associative power of multiplication states that for any three numbers a, b and c, (a * b) * c = a * (b * c) and so we can write either as a * b * c without ambiguity.
Is the set of real numbers closed under addition?
Yes. The set of real numbers is closed under addition, subtraction, multiplication. The set of real numbers without zero is closed under division.
Is the sum of rational numbers always rational?
Yes. In general, the set of rational numbers is closed under addition, subtraction, and multiplication; and the set of rational numbers without zero is closed under division.
Are rational numbers closed under subtraction?
Yes. They are closed under addition, subtraction, multiplication. The rational numbers WITHOUT ZERO are closed under division.
What does it mean to write a math problem in radical form?
Rather than use your calculator to estimate numbers under a radical, simplify the radicals and leave them in the problem without plugging them into a calculator.
How do I do square root?
The best ways to find a square root, without memorizing multiplication tables, are:use the button on your calculator that looks like this: √Google "square root of" and type your numberJust remember that numbers have 2 square roots, a positive and a negative (calculators like the above will only show you the positive result).
