
raise each side to base 4

simplify

using the law of logarithms

=>
y=62
Answer:
820 p.s you shouldn't waste your points just google calculator and use it :)
Step-by-step explanation:
493
+327
7+3=1(0) carry the one on the 9
1+9+2=1(2) carry the 1 on the 8
1+4+3=(8)
820
6 * 7 = 42 so then you take and divide
42/3 = 14
ANSWER

EXPLANATION
We want to convert

to improper fraction.
Let us first reduce the fractional part to get;

We now multiply 6 by 18 and add 5 and then express the result over 18.
This will give us;



The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.
2.3^2 = 5.29 <===