Question

3. What number added to 0.756 gives 1?
4. By how much should 17.45 be decreased to get 7.9702?​

Answer 1

Answer:

0.244 is the number to be added to 0.756 that gives 1.

To find the number that we must add to 0.756 so that the sum will be equal to 1, we are going to use subtraction.

Why subtraction?

We need to use substraction because the inverse of addition is substraction.

Equation:

1 - 0.756 = N

Subtraction of Whole Number and Decimal Number

How to subtract decimal number from whole number?

To subtract, we need to follow these steps.

1. Write down the two numbers, one under the other, with the decimal points lined up. Remember that the decimal point in whole number is placed after it.

2. Add zeros to whole number so the numbers have the same length.

3. Subtract and do not forget to put the decimal point in the answer.

Solution:

Remember the steps above.

0 9910

1.000

- 0.756

0.244

Do not forget to borrow. We cannot subtract a bigger number from a smaller number.

Final Answer:

0.244 is the number to be added to 0.756 that gives 1.

Checking:

Let us see if the answer (0.244) is correct.

1 1 1

0.244

+ 0.756

1.000 ✔

Answer 2

Step-by-step explanation:

hope it's helpful to you