Answer:
0.5
Step-by-step explanation:
Answer:
C(t)= D-(30Dt/100)
Step-by-step explanation:
C(t)= 120-(30*120*1h)/100 C(t)=84
C(t)= 120-(30*120*2h)/100 C(t)=48
C(t)= 120-(30*120*3h)/100 C(t)=12
Add the like terms which are 9y-11y + 7-4 = 2y- 3
A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side. For instance, "x^-2" just means "x2, but underneath, as in 1/x^2.
-4^-2 means the power -2 is only applied to 4 and not the negative sign. -4^-2 = -(4^-2), which is equal to -1/16.
Whereas, (-4)^-2 means the power -2 affects on both negative sign and 4. For example, (-4)^2 is equal to (-4 * -4) which is just 16. Moving on, with (-4)^-2 equals to 1/(-4*-4) = 1/16.
//Hope this helps.
