Question

write it in exponential form 0.0000159​

Answer 1

Answer:

All numbers in scientific notation or standard form are written in the form m × 10n, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

To convert 0.0000159 into scientific notation, follow these steps:

Move the decimal 5 times to right in the number so that the resulting number, m = 1.59, is greater than or equal to 1 but less than 10

Since we moved the decimal to the right the exponent n is negative

n = -5

Write in the scientific notation form, m × 10n

= 1.59 × 10-5

Therefore, the decimal number 0.0000159 written in scientific notation is 1.59 × 10-5 and it has 3 significant figures.

Explanation:

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