Question

Andre was trying to write 7⁴/7⁻³ with a single exponent and wrote 7⁴/7⁻³=7⁴⁻³. Explain to Andre what his mistake was.

Answer 1

Answer:

see explanation

Step-by-step explanation:

Using the rule of exponents

$\frac{a^{m} }{a^{n} }$ = $a^{(m-n)}$, then

$\frac{7^{4} }{7^{-3} }$ = $7^{4-(-3)}$

His mistake was in subtracting 3 rather than - 3

Answer 2

Answer:

Hello Andre

Step-by-step explanation:

There is an formula to answer this question :that is displayed on the pic...

M>n that missed in that pic.. Ok

The final answer is 7

$7 {}^{7}$