Question

A physicist discovers an element whose atom has a mass of 0.00000000000000112 grams. He makes an entry in his journal and writes the mass in scientific notation as

e.

Answer 1

1.12 E -15

Explanation:

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Answer 2

1.12 × 10⁻¹⁵ grams or 1.12 × E-15 grams

Explanation:

A numerical value is written in scientific notation as a number between 1 to 10 followed by an exponential which the number of times decimal point was moved. If decimal point is moved left, then the exponent would be positive and if it is moved right, it would be negative.

Here, we will shift the decimal towards right 15 times to written a number 1.12 which is between 1 and 10. Thus, it would be written as: 1.12 × 10⁻¹⁵ grams or 1.12 × E-15 grams