Question

Estimate how many times larger 2 x 10-5 is than 4 x 10-12 in the form of a single digit times an integer power of 10.

Answer 1

The number of times which the number 2 x 10-5 is greater than 4 x 10-12 is; 5 × 10⁶ times

To estimate how many times larger 2 x 10-5 is than 4 x 10-12 in the form of a single digit times an integer power of 10;

We must evaluate as follows;

• 2 x 10-5 divided by 4 x 10-12

$\frac{2 \times {10}^{ - 5} }{4 \times {10}^{ - 12} }$

Therefore; we have;

• 0.5 × 10⁷

Since we are required to express the answer in the form of a single digit times an integer power of 10; we have;

• 5 × 10⁶

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