Answer:
8000m
Step-by-step explanation:
8x10^3=8000
When you write logarithm of 1 with base b = x, through logarithm properties, that would be x to the power of b equals 1.

Now, from the law of exponents, any number raised to the power of zero is 1. Thus logarithm of 1 with base b is truly zero.
Answer: 0.70
Step-by-step explanation the same as decreased by 30%" would be (1.00 - 0.30)(original cost), or 0.70(original cost)
X=4
Y=-0.5
Do you need an explanation?