The amounts of e-waste generated in a region during two years were 14,200,000 tons and 10,700,000 tons. what was the total e-waste generated over these two years in the region, expressed in scientific notation? 2.49 ⋅ 107 tons 2.49 ⋅ 1014 tons 24.9 ⋅ 107 tons 24.9 ⋅ 1014 tons

1.42·10⁷ tons + 1.07·10⁷ tons = 2.49·10⁷ tons . . . . matches the first choice

The distributive property applies.

1.42·10⁷ tons + 1.07·10⁷ tons = (1.42 + 1.07)·10⁷ tons = 2.49·10⁷ tons

Option A

Step-by-step explanation:

The amount of e waste generated in a region during two  years was 14,200,000 tons and 10,700,000 tons.

So total e waste generated over these two years will be

= 14200000 + 10700000

= 24,900,000

Now we have to express the total amount in the scientific notation.

24900000 = 2.49 × 10000000

                  = 2.49 × 10⁷

Option A is the correct answer.

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step-by-step explanation:

answer: it's d

step-by-step explanation: