Question

explain how you put this into standard form?
(4.2 x 10 to the power of 4) x (2.3 x 10 to the power of 3.)
no calculator.

Answer 1

multiply
\[4.2\times 2.3=9.66\]
add the exponents to get
\[9.66\times 10^7\]

Answer 2

then move decimal 7 places left to get
\[96,600,000\]

Answer 3

thanks!