Question

I need help with these 4 questions on my math homework

Answer 1

So,

We're going to sum the following:

`1.25\cdot10^6+250000`

This is the same to write:

`1250000+250000=1500000`

And, the result can be expressed as:

`1500000=1.5\cdot10^6`

So the answer is C.