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How can you check an answer to a decimal multiplication problem?
Wiki User
∙ 7y ago
You can check any multiplication problem by running it back as division. If A x B = C, then B = C/A and A = C/B but that seems like a lot of trouble. If you want to see if you have multiplied two numbers correctly, multiply them again. If the two products match, they're probably correct.
Wiki User
∙ 7y ago
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What is a multiplication problem in which the product has two Decimal places?
2.4 x 8.6
Convert each decimal fraction to binary using repeated-multiplication-by-2?
0.9028
How can you use inverse operations to check your answer to a decimal addition problem?
If you have calculated A + B = C then you can calculate C - A. If the answer is B then the first sum is correct.
What is the product of 20 and 30?
The product of 20 and 30 is 600. Product is the answer to a multiplication problem.
How do you write a fraction as a multiplication problem?
2/3 = 2 x 1/3
Which operation should be used to check the answer to a division problem?
Multiplication
How do you check a decimal multiplication problem?
Do the corresponding division.If X*Y = Z then calculate Z/X. If the answer is Y the probelm has been done correctly.
Do you have to line up the decimal?
in a multiplication problem, you don't have to. in addition & subtraction, you do
How do you check for reasonableness within a multiplication problem?
56x34
Why you can use multiplication to check a division problem?
multiplication is the Inverse operationof division so it could be used to check my work
What is the second number in multiplication problem?
multiplicand x multiplier = product. Multiplier is the answer.
When doing a math problem dividing how can you check your problem?
You can multiply the answer to see if it's right. same with multiplication, addition, and subtraction. Multiplication, you divide, to check addition, you subtract, and subtract, you add.
Divide by using long division use multiplication to check the answer 25 60 176?
The solution to the problem 25 divided by 60176 is 0.0004, correct to 4 decimal places.
How can you check the product of a multiplication problem?
YoU CaN DiViDe. its called inverse opperation.
How can you check the answer to a decimal multiplication problem?
If x*y is calculated to be equal to z, then find the value of z/x. If this equals y then your original calculation is correct, if not (apart from rounding) you are wrong.
What is a multiplication problem in which the product has two Decimal places?
2.4 x 8.6
How can you use multiplication to check a division problem?
we can multiply the divisor & the quotient to find the dividend
