Scientific Notation (Junior Cert Mathematics): Quizzes

To write large/small numbers simply

Between 1 and 10

An integer (positive or negative)

$3.4 \times 10^3$

$4 \times 10^{-3}$

When decimal moves left

When decimal moves right

$2.5 \times 10^4$

$5.6 \times 10^{-4}$

Identify the first non-zero digit

$a$ is not between 1 and 10