goodhuman55556 goodhuman55556

07-06-2020
Mathematics

contestada

What is 300+400.
I want to see how smart you are can you do this mentally????

Respuesta :

mathstudent55 mathstudent55

07-06-2020

Answer:

700

Step-by-step explanation:

Since 3 + 4 = 7, then 300 + 400 = 700

Answer Link

Аноним Аноним

07-06-2020

Answer: 700

Step-by-step explanation:

300+400

700

easier way to do it in your brain is

4+3 is 7 and add the 2 zeros

so the answer is 700

Hope this helps :)

Answer Link

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