Answer:
Joni's mistake was to multiply the exponents instead of adding the exponents.
Step-by-step explanation:
we know that
When multiplying two powers that have the same base, you can add the exponents
so
[tex]d^{3} *d^{11} =d^{3+11}=d^{14}[/tex]
Joni's mistake was to multiply the exponents instead of adding the exponents.
