Express the following numbers using scientific notation:
(A) $1,234.56$
(B) $0.0876$

Q. Express the following in the scientific notation:

$A$: 0.0048

$B$: 234,000

$C$: 8008

$D$: 500.0

$E$: 6.0012

Q. Write the following numbers without scientific notation:
(A) $1.234\times {10}^5$
(B) $5.45\times {10}^{-3}$

Q. Express the following numbers in scientific nations.
a. $56700000000$

Q. Express in exponential notation:

Q. Simplify the following expression using scientific notation:
$1.24\times {10}^5+4.7\times {10}^3$