Answer:
20 is the 1 significant figure to 21.93.
Step-by-step explanation:
Given:
The number 21.93 to 1 significant figure.
A <u>significant figure </u>is a digit in a number that gives you information about the numbers size.
Rounding to 1 significant figure means looking at the 1st digit of the number.
Here, the first digit is 2 and 2 is in tens place.
So, 2 in tens place gives us 20 as the size
, thus next number next to 2 is 1.
So, on rounding to one significant figure we write it as 20.
Therefore, 20 is the 1 significant figure to 21.93.
Answer:
$780.50
Step-by-step explanation:
I will update this if I figure how it's solved as well.
X = 20 degrees
Y = 30
This is acute triangle so all the sides and angles are the same. Subtract 16 from 46 and you receive 30 for y. For the corresponding angle, subtract 80 from 180. Then add 60 to that and subtract that from 180 for x.
7 2
Step-by-step explanation:
