Answer:
7^2
Step-by-step explanation:
there is one law of exponent, where if you're dividing 2, and the base is the same, you can just subtract the exponents so-
The answer should be -4,
7x2=14
2x-9=-18
14+ -18= -4
The answer is 15i radical 6
Answer:
2924
Step-by-step explanation:
2752 ÷ 16 = 172 ← number of points per coin
After collecting 17 points he will have collected
2752 + 172 = 2924 points in total