5th grade math. Correct answer will be marked brianliest.

10*0.3=3

9*0.3=2.7

10*0.04=0.4

9*0.04=0.36

19*0.34=6.46

Step-by-step explanation:

Step-by-step explanation: This symbol * is a multipication symbol

10 * 0.3=3

10 * 0.04= 0.4

9 * 0.3= 2.7

9 * 0.04= 0.36

 3

 0.4

 2.7

+0.36

6.46

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13