2 years ago

(7.8×10^7) + (9.9×10^7)

1 answer:

Hatshy [7]2 years ago

8 0

(7.8×10⁷)+(9.9×10⁷)
(7.8×10000000)+(9.9×10000000)
(78000000)+(99000000)
177000000

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