Mathematics, 19.04.2020 03:28, alanrojas0142007

Two Petri dishes were on the desktop in Dr. McFarlan's lab.

Dish A had cells with a radius of 3.4 × 10^-13 cm. Dish B had cells that had a radius of 4.6 × 10^-11 cm. What is the sum of the radii of the two types of cells, using scientific notation?
A.
4.634 × 10^-15 cm
B.
46.34 × 10^-14 cm
C.
463.4 × 10^-13 cm
D.
4.634 × 10^-11 cm

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Two Petri dishes were on the desktop in Dr. McFarlan's lab.

Dish A had cells with a radi...