10^10 = 100
20^2 = 400
29^29 = 841
28^28 = 784
Step-by-step explanation:
is similar to
so we can write the ratio

Solving for x, we get

It will be 50,000 =10*5,000
Percent decrease=(decrease)/(original) converted to percent
change=120 to 52
120-52=68
change or decrease=68
original=120
68/120=0.5666666=56.6666%
about 57%