The first number in this item can be also expressed as 2.3 x 10³. Now, dividing the numbers 2.3 and 0.4 will give us an answer of 5.75. There exists a rule which states that when two similar numbers are divided only having different exponents, their exponents should be subtracted. The final answer to this item is therefore,
5.75 x 10¹¹
Congrats on your first question!
Answer: x=57
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1/3(3x+9)=60
x+3=60
x=57
"A. 4x^4 is the answer so try that."
Step-by-step explanation:
Using
sum = (n-2)180
= (15-2)180 = 13×180 = 2340°
