The Basics (Junior Cert Mathematics): Flashcards

Writing very large or very small numbers in simplified form

$a \times 10^n$

Between 1 and 10

How many places to move the decimal point

When decimal point moved to the left

When decimal point moved to the right

Identify the first non-zero digit

$3.4 \times 10^3$

$4 \times 10^{-3}$

$2.5 \times 10^4$

$5.6 \times 10^{-4}$

$a$ is between 1 and 10