The name of place value of 9 in 199 is ones.
The second 9 has a value of tens.
The number 1 has a place value of hundreds.
I think you have to follow someone and ask them to be your tutor.
Answer:
It's 540.
Step-by-step explanation:
You divide 9 by 21 then you multiply it by 1260 and you get 540
I've done this test before
The factor should be x+7 so, none of the above.
Hope I helped! ( Smiles )