I need help with the first one please someone help I don’t get it!
1 answer:
Answer:
2.2
Step-by-step explanation:
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Answer:
I believe it is: B= 16.45
Let's see
#a
Take 28
- (28)²
- (30-2)²
- 30²-2(30)(2)+2²
- 900-120+4
- 780+4
- 784
#2
Take 9,10
- 9³+10³
- (9+10)(9²-9×10+10²)
- (19)(81-90+100)
- 19(181-90)
- 19(91)
- 1729
<span>309,058,304 hope this helps!!
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