5 Reactivos II. INSTRUCCIONES: Expresar las siguientes cantidades en notación cientifica
a) 87141000

answer: ouch. thats difficult

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

i have not got your picture clearly so see it once again