How do you add $6.3 x 10^{4}$ $6.3 x 10^4$ and $7.6 x 10^{4}$ $7.6 x 10^4$ ?

Question

1995 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-01T18:09:06

Answer is $= 13.9 \times 10^{4}$ $= 13.9xx10^4$

$6.3 \times 10^{4} + 7.6 \times 10^{4} = (6.3 + 7.6) \times 10^{4}$ $6.3xx10^4 + 7.6xx10^4 = (6.3 + 7.6)xx10^4$

Right ?
$= (13.9) \times 10^{4}$ $= (13.9)xx10^4$
$= 13.9 \times 10^{4}$ $= 13.9xx10^4$ in standard from of course

How do you add 6.3 x 10^46.3x1046.3 x 10^4 and 7.6 x 10^47.6x1047.6 x 10^4?