Write 10x7 – 9x2 + 15x3 + 9 in standard form. Question 5 options:

A.10x7 – 9x2 + 15x3 + 9

B.10x7 + 15x3 – 9x2 + 9

C.9 + 15x3 – 9x2 + 10x7

D.9 – 9x2 + 15x3 + 10x7