Question

Write each number in standard form: (3 x 100,000) + (4 x 1000) + (2 x 10)

Answer 1

$3\times100000 = 3\times10^6 \\ 4\times1000 = 4\times10^3 \\ 2\times10 = 2\times10^1$

So the final statement would be:
$(3\times10^6) + (4\times10^3) + (2\times10^1)$