What is 0.55 hectometers expressed in decimeters? a.
550 dm
b.
5.5 dm
c.
55 dm
d.
0.00055 dm

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

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Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features