Question

write in standard form 0.000000001279​

Answer 1

Step-by-step explanation:

0.000000001279=1.279×1000000000

Answer 2

Answer:

1.279 × 10-9

Step-by-step explanation:

Move the decimal 9 times to right in the number so that the resulting number, m = 1.279, 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 = -9

Write in the scientific notation form, m × 10n

= 1.279 × 10-9

Therefore, the decimal number 0.000000001279 written in scientific notation is 1.279 × 10-9 and it has 4 significant figures.

0.000000001279 in scientific notation

=1.279 × 10-9

Hope it's helpful...!!!