The answer is 50/9.
Explanation:
To convert mixed numbers to improper fractions, I remember MAD (multiply, add, denominator).
Step 1 (M): Multiply the denominator (9) by the whole number (5). You should get 45.
Step 2 (A): Add the numerator (5) to the number you just got (45). 45 + 5 = 50.
Step 3 (D): Take the number you have (50) and put it over the denominator (9). Your final answer is 50/9.
8/20 in decimal form is
0.4
Log₄(y+2) = 3, transform it into exponent form:
(y+2) = 4³
y+2 = 64
y= 62