answersLogoWhite

0


Best Answer

same number of significant digits

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What must each number have when adding and subtracting scientific numbers?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is quotient subtracting or adding?

Quotient is the number you get when dividing two numbers.


What is equivalent to adding a negative number?

Subtracting its additive inverse. (In principle, this is valid for adding positive numbers as well.)


How do you substract negative numbers?

Subtracting negative numbers is exactly the same as adding the positive number.


What is the difference between adding and subtracting?

Adding is when you add numbers to something and subtracting is when you take them away. When you add you do not always make the number go up for example 5 + (-7)= -2.


How do you explain adding and subtracting negative numbers?

Adding a negative number is equivalent to subtracting a positive number. For example, adding -3 is the same as subtracting 3. Subtracting a negative number is equivalent to adding a positive number. For example, subtracting -3 is the same as adding 3. The rule to remember is that when you have a negative sign in front of a number, it actually changes its sign.


How many more is subtracting or adding?

Adding makes more. Subtracting makes less. e.g. 123 +45 168 === which is more that the two initial numbers. 145 -23 122 === which is less than the initial number (145).


Why subtracting a negative number is equivalent to adding a positive number?

equivalent to subtracting a negative


How is adding on number line different from subtracting on a number line?

When subtracting, the number moves to the left (negative direction). When adding, the number moves to the right (positive direction).


Why is it important to align decimal point when adding or subtracting decimal numbers?

Because if you dont , your answer will be a whole number and that will make your answer wrong


What are the rules when adding or subtracting negative numbers?

When subtracting negative numbers change the subtraction sign to a plus and change the second number (which would appear to be positive) to a negative. ex. -14 - 7=?/-14 + -7= -21 When adding negative numbers just add them as they appear. ex. -2 + -5= -7


What are the rules for significant figures when multiplying and adding numbers?

When multiplying or dividing numbers, the result should have the same number of significant figures as the factor with the fewest significant figures. When adding or subtracting numbers, the result should have the same number of decimal places as the number with the fewest decimal places.


What is the magic number on picking numbers 1-9 multiplying by 2 adding 12 subtracting 12 and dividng by 2?

Works for all numbers possible