Someone help with this please!!!!
1 answer:
Answer:

(10 x 10 18 times)(10 x 10 23 times) 
just as a note: when you multiply numbers with exponents and they both have the same base, all you have to do is add the exponents.
Ex: 
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Step-by-step explanation:



= 30°
Answer:
16
Step-by-step explanation:
The answer is x2<span> – 2</span>x<span> – 9 and that is option C</span>
5x - 2x = 63 + 57
3x = 120
x = 40