Question

What is the order of magnitude of the number 899,432

Answer 1

Order of magnitude of a measure is an estimate of the base power 10 closest to a given measure.

We have:899432

$10^{5}\ \textless \ (899432)\ \textless \ 10^{6}$
$10^{5}\ \textless \ (\approx8,9*10^{5})\ \textless \ 10^{6}$

Representation in scientific notation:
$N = x .10^{y}$
$\boxed{N = 8,9 .10^{5}}$

Answer 2

 8.9 x 10^5

hope this helped.