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How can you use inverse operations to check your answer to a decimal addition problem?
Wiki User
∙ 11y ago
If you have calculated A + B = C then you can calculate C - A. If the answer is B then the first sum is correct.
Wiki User
∙ 7y ago
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When multiplying decimals do you line them up?
Yes you do that is very important when doing a decimal problem.* * * * *It is important for other basic binary operations but NOTmultiplication.
What is the answer to a fraction addition problem called?
It is the same as for any other addition. The answer is the sum.
How do you write 73 over 1000 as a decimal?
73/1000 as a decimal is 73 ÷ 1000 = 0.073The math problem, 73 over 1000 as a decimal is 0.073.
What is the answer the 100 more than 900 is?
It is an addition problem. 900 + 100 = 1000.
What is 4 50 as a decimal?
4.50if it is like $4 dollars and 50 cents, or as a answer to a problem 4.50.
What is the definition of inverse oporation?
An operation usually used in solving equations which is the exact opposite of the original problem in order to isolate the variable. Addition and subtraction are inverse operations. Squaring and square roots are opposites. etc
How can you use inverse operations to check your answer to a decimal subtraction problem?
If you calculated x - y = z then calculate z + y. If the answer is x your calculation is fine. If not, one of the sums went wrong.
When do people use inverse operation?
people use inverse operations when there is a number like -3 then you change it to a regular problem like 3. you use it when something is opposite to the regular problem.
Do you have to line up the decimal?
in a multiplication problem, you don't have to. in addition & subtraction, you do
What is the inverse operation of multiply by 12?
Divide by 12 (or multiply by 0.833...). The problem with the second option is that it is a non-terminating (infinite) decimal.
How can i use inverse operations to check your answer?
If the problem is 6+8=14 you can subtract either 6 OR 8 from 14 and you will get the other answer .14-6=8
When having decimal problem do you keep the number behind the rounded one?
The answer depends on what other operations are required.
What do order of operations means explain?
Order of Operations is like when you have a problem i always use PEMDAS it means parenthesis, expoents, mulitipication, divide, addition, Subtraction follow it.
Why would you use addition to solve a subbtraction problem?
Addition can be used to solve a subtraction problem by using the concept of inverse operations. By adding the opposite of a number to another number, the result will be the same as subtracting the first number from the second number. This can be helpful in mental math or when trying to simplify complex subtraction problems.
How would you describe the order of operations to solve any given problem?
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
In an addition problem the answer should have the same number of significant figures as the measurement with the most decimal places.?
The statement is false.
What is a problem of multiplicative inverse?
The only problem is that it is not defined for 0.
