Estimate 25,953 to the nearest number

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What expression is equivalent to 42x-56y