Question

Express this number in scientific notation. 5.3×104+4.7×104

Answer 1

for
`5.3 * 10^4 + 4.7 * 10^4` the answer would be
`1 * 10^5`

Explanation:

After adding like terms we would get
`10^4 *10`

Then we use the exponent rule and get
`10^1^+^4`

Which after adding would result in
`10^5`