Question

Write 25.59 in scientific notation

Answer 1

2.559 * 10^1

Explanation:

Rules of scientific notation (that I always remember)

- the number must be between 1 and 9

- if number gets smaller, exponent gets bigger; if number gets bigger, exponents gets smaller

25.59 is bigger than 9 so we move the decimal one place value to the left

and the number gets smaller meaning the exponent increases

Answer 2

2.559 × 10 to the 1st power

Explanation:

using a SNC