A multiple-choice test has 7 questions, with 4 possible answers for each
1 answer:
Answer:
16384
Step-by-step explanation:
4×4×4×4×4×4×4
= 4⁷
= 16384 ways
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Answer:
770762
Step-by-step explanation:
2x99=99+99
3a+3a=2x3a=6a
3x11+3x19=3x30
The item should cost 43,85 $