Answer:
Step-by-step explanation:
Reduce the ratio to lowest terms, then multiply numerator and denominator by any same value to get another equivalent.

Answer:
16/100 = 4/25
Step-by-step explanation:
4/10 * 4/10 = 16/100
Answer:
S = a² => 20 = a² => a = √20 ≈ 4.5 cm
Step-by-step explanation:
Answer:
change it to a mix fraction instead
Step-by-step explanation:
Check the picture below.
make sure your calculator is in Degree mode.