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.

I need this by today please help

Answer 1

Answer

see explanation

Explanation:

Using the rule of exponents

= , then

=

His mistake was in subtracting 3 rather than - 3