Answer:
7. 32
8. D
9. B
10. A
Step-by-step explanation:
7.) 3 + 7² + 5 - 5²
3+49+5-25
= 32
8.) 9² + 7² - 10
81+49-10
= 120
9.) 2⁵ + 5² + 3² - (4³)
32+25+9 - (64)
66-64
= 2
10.) 10³ + 2² - (10²)
1,000+4 - (100)
1,004 - 100
= 904
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Answers & Comments
Answer:
7. 32
8. D
9. B
10. A
Step-by-step explanation:
7.) 3 + 7² + 5 - 5²
3+49+5-25
= 32
8.) 9² + 7² - 10
81+49-10
= 120
9.) 2⁵ + 5² + 3² - (4³)
32+25+9 - (64)
66-64
= 2
10.) 10³ + 2² - (10²)
1,000+4 - (100)
1,004 - 100
= 904