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hram777 [196]
3 years ago
14

(4 x 10^4) x (2 x 10^-5) A) 8 x 10^1 B) 8 x 10^-1 C) 2 x 10^9 D) 6x 101-1.

Mathematics
1 answer:
loris [4]3 years ago
3 0
Answer: B) 8•10^-1

Use the commutative property to reorder the terms.
(4•2)•(10^4 • 10^-5 )

Multiply the numbers. Multiply the terms with the same base by adding their exponents.
8•10^4-5

Calculate the difference and you get 8•10^-1

Hope this helps ʕ•ᴥ•ʔ
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