The sum of 45 nanometers and 75 picometers (in standard form) is

1.	The sum of 45 nanometers and 75 picometers (in standard form) is
A.	4.5075 x 10-8
B.	4.5075 x 10-6
C.	4.5075 x 10-7
D.	4.5075 x 10-9
Answer» B. 4.5075 x 10-6

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