Answer:
-15 degrees celsius
Step-by-step explanation:
-7 - 5 + 9 - 12 = - 12 - 3 = -15
Answer:
x = 128
Step-by-step explanation:
x*(-8) = -16. multiply both sides by -8 to get x by itself
x = 128
2=1.04^t
t=ln2/(ln1.04)
t=17.673 (approx)
so t=18 (although you will have slightly more than double)
You keep the same exponent when adding or subtracting