Question

convert the following number into scientific notation:
0.000103
$\bigcirc$ $1.03 \times 10^{-4}$
$\bigcirc$ $.103 \times 10^{-3}$
$\bigcirc$ $1.03 \times 10^{4}$
$\bigcirc$ $.103 \times 10^{4}$

Explanation:

Step1: Move decimal to get 1-10

Move decimal 4 places right: $0.000103
ightarrow 1.03$

Step2: Set exponent for 10

Decimal moved 4 places right, so exponent is $-4$

Step3: Match to correct option

Combine to get $1.03 \times 10^{-4}$

Answer:

$1.03 \times 10^{-4}$