Which is the same as adding a number to itself?

Multiplication with 2.

Step-by-step explanation:

In this question, we have to find the operation which is equivalent to adding a number to itself.

The operation is multiplication with 2.

If a number is multiplied with 2, then the operation is equivalent to adding a number to itself.

For example, if you multiply the number x with 2, the result is 2x and again if you add x with x, you will get the same result as 2x. (Answer)

it’s supposed to be -4+45=41

step-by-step explanation:

i believe it is 0.1m because the measurement of 30.4m limits how precise you can be

you can only be as precise as the least precise measurement