(9×10^2)+(4×10^3)

give your anwser in standard form

4.9 ×

Step-by-step explanation:

Start by doing what is in the paranthesis from right to left.

and

So if we add them we get:

Now to put it into standard form we just put a decimal to the right of the first number and see how many times we need to move right in order to make the number. In this case it's 3 times so we tack on ×

So our answer is:

×

  2087568668/1  

step-by-step explanation: