A) the more time spent on homework related to higher test scores.
b) 60 on the test
c) with 0 hours of homework, should expect a score of 45 on the test.
Answer:
-1 is the answer
Step-by-step explanation:
For this case we have the following number:

What we must do is rewrite the number as the product of two numbers.
We have then:

From here, we write the number as the multiplication of a whole number and a power of base ten.
We have then:

Where,
: whole number
: power of base 10
Answer:
The distance written as a whole number multiplied by a power of ten is:

A signed number is a number with either a + or - in front of it. this doesn't mean that you are adding or subtracting it though. a negative number is a signed number. a positive or whole number is a signed number, but we don't usually write the + sign in front of it
hope this helped :)