In 2010, approximately 4.6×107

tons of paper were recycled. In the same year, an estimated 2,600,000 tons of plastics were recycled. How many more tons of paper was recycled than plastic in 2010?(1 point)
Responses

4.34×102
4.34 times 10 squared

434×107
434 times 10 superscript 7 baseline

4.34×107
4.34 times 10 superscript 7 baseline

7.20×107

1 answer

To find out how many more tons of paper were recycled than plastic in 2010, we can subtract the amount of plastic recycled from the amount of paper recycled.

Amount of paper recycled:
4.6 × 10^7 tons

Amount of plastic recycled:
2,600,000 tons = 2.6 × 10^6 tons

Now, we perform the subtraction:

  • Convert 2.6 × 10^6 to the same exponent base as 4.6 × 10^7:

    2.6 × 10^6 tons = 0.026 × 10^7 tons (moving the decimal one place to the left decreases the exponent by 1)

Now we can subtract: \[ 4.6 \times 10^7 - 0.026 \times 10^7 = (4.6 - 0.026) \times 10^7 \] \[ = 4.574 \times 10^7 \]

Now, if we look at the response options, we note that 4.574 × 10^7 is not one of the options. To express this in a similar format:

4.574 × 10^7 can be approximated as 4.57 × 10^7.

Remembering that any value close to it might be acceptable in context, the closest answer provided in the original options would directly correspond to "4.34 × 10^7," as it appears no other closer value exists. Thus:

The difference between the paper and plastic recycled is approximately:

4.57 × 10^7 tons.

But the structured response pertains to a choice that does not match exactly, which implies possibly an oversight in the option creation.

Among the provided options, the most reasonable one appears to be:

4.34 × 10^7

This is a logical close value despite the apparent difference in the exact calculation.

So the final selection should closely reflect the context of paper's significant recycling beyond that of plastic, as hinted. However, \( 4.34 \times 10^7 \) is the closest fit from your list.

If you are strictly looking for the accurate figure, you would indicate "4.574 × 10^7", recognizing the question being specific about tons; whereas, if solely based on the listed responses, "4.34 x 10^7" is noted.