How to write 9 and 9 thousandths in standard form

  9.009

Step-by-step explanation:

As a mixed number, it is 9 9/1000.

The "thousandths" place in a decimal number is the third digit to the right of the decimal point, so a 9 in that place signifies 9 thousandths, or 9/1000. Adding 9 units gives ...

  9 9/1000 = 9 + 0.009 = 9.009

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).