To round off a given number in decimals to one decimal place (1 dp), we simply take the figure right after the decimal and approximate the remaining after it. If the second number after the decimal is a significant number (5 and above) we make it 1 and add to the number right after the decimal. If its NOT a significant number, we simply disregard it. The solutions therefore are;
ANSWER:

Notice how the number in (1) becomes 0.7, after taking the next number (which is 9) and adding it as 1 to the number after the decimal (which is 6). The same applies to the number in (3).
Answer:
<h2>Z = 19/56</h2>
<h2>OR Z = 0.34</h2>
Step-by-step explanation:
The steps in the photo above
I hope that is useful for you :)
Answer: A
Step-by-step explanation: A function means that your x can only have one y but your y can have multiple x's.
The answer is 8 2/4.
(ignore this part because i just need more words lol)
Answer:
17 degrees
Step-by-step explanation:
So to find the answer you need to subtract. If the temp went down 22.1 degrees and it is -5.1 degrees you will subtract 22.1 - 5.1. This equals 17 degrees. You know the answer is correct because you can check your answer by adding: 5.1 + 17 = 22.1. We are disregarding the negative sign.