Ok, so
a(b-c)=ab-ac
9 is close to 10 so
828(9)=
828(10-1)=
828(10)-828(1)=
8280-828=
7000+1280-828=
7000+452=
7452
Answer:
$7.58 of tip.
Step-by-step explanation:
It’s the second one, cuz that’s the correct formula and equation
7 is a base, 4 is an exponent.
