Answer:
71
Step-by-step explanation:
The power of 4 means to move the decimal 4 places to the right. 6.3 x 10^4
63000
A) 18x2 = 36
hope I helped
Best of luck :)
Answer:
<h2>9/5</h2>
Step-by-step explanation:
<h3>4 1/5 × 3/7</h3><h3 /><h3>•change 4 1/5 into an <u>improper fraction</u></h3><h3 /><h3>21/5 × 3/7</h3><h3 /><h3>= 63/35</h3><h3 /><h3>= 9/5 </h3>

D. x - 9y + 4 = x + 4 + (-9y)