Hey there!
<h3>"Expanded form" is basically, setting it up in a addition form to give you that result</h3>

Good luck on your assignment and enjoy your day!
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Answer:
.
Step-by-step explanation:
It is given that a number, x, rounded to 2 significant figures is 1300.
It is possible if,
1. The value of x is greater than of equal to 1250 and less than or equal to 1300.
i.e.,
...(1)
2. The value of x is greater than of equal to 1300 and less than 1350.
i.e.,
...(2)
On combining (1) and (2), we get

1350 is not included in the error interval for x.
Interval notation is
.
Therefore, the error interval for x is
.
Answer:
162
Step-by-step explanation:
assuming you forgot the parentheses at the end of '9'. Do you want an explanation?
I can't draw a picture but the little hand would be on the 6 and the big hand would be on the 1.