Answer: One inch represented 3 feet in the first scale, but now 1 inch now represents 4 feet in the second scale.
Answer:
The first step is to multiply by a power of 10, so the divisor is a whole number.
Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain the variable
Answer:
2/3
Step-by-step explanation:
There are 2 numbers out of 3 that fit the rule, 1 and 3. There is a 2/3 chance picking one of them.

First, solve the parentheses:

Next, the exponential terms

Solve the multiplication:

Add and subtract: