A, C, and D are equal to 10^x
Step-by-step explanation:
the answer is in the picture above
Answer:
s=21
given ,
area=441cm^2
length (l)=s
we know,
or,l^2=441cm^2
or,l=√441cm^2
or,l=21cm
mothsjnesksnsjsisosnsnsj
9 and 10 is the number