How much more does 2.6 need to get to 4.07?

The answer is 1.47

Step-by-step explanation:

You would want to subtract 4.07 by 2.6

Like this:  4.07

            -   2.60 < You can add a zero if it's easier for you to subtract.

                 1.47

To check your answer you can add the numbers.

                2.60

          +     1.47

                4.07

answer: 25.4 units

step-by-step explanation: radius = 12.7 units

diameter = twice the radius

diameter = 12.7 x 2

= 25.4

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4