Respuesta :

Hey mate,

We have,

st²-pqr

Given values,

p= -2,q=5,r= -7,s=0 and t=4

On substituting,we obtain:

→(0)(4)²-(-2)(5)(-7)

→16-(70)

→16-70

-54

Answer:

54

Step-by-step explanation:

st²-pqr

p= -2,q=5,r= -7,s=0 and t=4

(0)(4)²-(-2)(5)(-7)

16-(70)

16-70

=-54