30%*470=141 (So the number of students in 8 grade is 141)
Take the natural log of both sides
ln(2^x)=ln(.125)
Xln(2)=ln(.125)
X=ln(.125)/ln(2)
X=-3
ALTERNATIVE ROUTE:
You know that 0.125 is equal to 1/8
And 1/2^3 is also equal to 1/8
So since you need the reciprocal to match it the exponent is a negative
Answer:
(0,3)
Step-by-step explanation:
Wih roots r1 and r2
the factors are (x-r1)(x-r2)
roots 4 and -8
(x-4)(x-(-8))
(x-4)(x+8)
x^2+4x-32 is the equation
either (x-4)(x+8) or x^2+4x-32
Answer:
It is a rational.
Step-by-step explanation:
0.25² = 0.0625
It is a rational.