Respuesta :

Answer:

first 1 is 1.6 x 10 ^-6 then second one is 20000000 which in sf is 2 x 10^7

Step-by-step explanation:

hope that helps xx

Answer:

Any time a positive number is multiplied by a negative number, the positive number will be turned into a negative number.

a)

-8,000 x -20,000 = 160,000,000 one hundred sixty million

b)

600 ÷ -300,000 = 0.002 or -500

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