Question

multiply.
$4\cdot(1 \times 10^2)$
options:
$4 \times 10^2$
$4 \times 10^4$
$5 \times 10^4$
$5 \times 10^2$

Explanation:

Step1: Multiply the coefficients

$4 \times 1 = 4$

Step2: Multiply the powers of 10

$10^2 \times 1 = 10^2$

Step3: Combine the results

$4 \times 10^2$

Answer:

$4 \times 10^2$