MARKING BRAINLEST!! PLEASE EXPLAIN

3.186x10^8

Step-by-step explanation:

3.2x10^8=320000000

1.4x10^6=1400000

320000000-1400000=318600000

= 3.186x10^8

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goog may be able to you find that answer

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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