Question

find the value of the missing numbers (a) 4 upon __ = 28 upon 70 (b) __ upon 2 = 4 upon 8
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Answer 1

Step-by-step explanation:

Rhizobium is a genus of Gram-negative soil bacteria that fix nitrogen. Rhizobium species form an endosymbiotic nitrogen-fixing association with roots of (primarily) legumes and other flowering plants.

Answer 2

Answer:

a = 10, b = ------

I don't know (b)