Which of the following numbers can be added directly in exponential notation?

In summary, the numbers that can be added directly in exponential notation are 1 and 4. Both have the same exponent of -4. The meaning of "add directly" in this problem is to add the numbers without changing the exponent.
  • #1
Cute-Bunny
16
0
Which of the following numbers can be added directly in exponential notation?

1. 3x10^-4

2. 600x10

3. 32.6x10^-3

4. 0.4x10^-4

_______________________________

a. 1 and 2

c. 1 and 4

d. 2 and 4

b. 1and3
 
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  • #2
So what do you think?
 
  • #3
chemisttree said:
So what do you think?

a ! 1and2 I am not sure please help :(
 
  • #4
What do you think is meant by "add directly" in this problem?
 
  • #5
im not sure what does it really mean but now I am looking at it i think it can be c, 1and4, because both of them have the same exponent (-4) !?
 
  • #6
And right you are!
 
  • #7
chemisttree said:
And right you are!

Thank you so much for the help :)
 

FAQ: Which of the following numbers can be added directly in exponential notation?

What is exponential notation?

Exponential notation is a way of writing numbers that involves using a base number and an exponent. The base number is multiplied by itself a certain number of times, as indicated by the exponent.

How do you add numbers in exponential notation?

To add numbers in exponential notation, the bases must be the same. Then, you can add the exponents together while keeping the same base.

Which numbers can be added directly in exponential notation?

Numbers with the same base can be added directly in exponential notation. For example, 23 + 24 = 27.

Why is exponential notation useful?

Exponential notation is useful for writing and performing operations on very large or very small numbers. It makes calculations easier and more manageable.

Can you add numbers with different bases in exponential notation?

No, numbers with different bases cannot be added directly in exponential notation. The bases must be the same for addition to be possible.

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