2+7= 9
72 / 9 = 8
8 * 2 = 16
<span>8 * 7 = 56
</span>16:56
<span>
Key:
</span>* = times
<span>/ = divide</span>
x=2.7 x 10*-3
Step-by-step explanation:
-815x=2.24
x=-2.24/815
x=2.7 x 10*-3
<span>My estimate was 2,808 is that a reasonable estimate and why
312*9
9*2=18>>9*10=90>>9*300=2700
2700+18+90=>>2,808</span>
Answer:
I can tell you the first one and you can figure it out from there. 70 is 40% persent of what number? Well, we can chop 40% to 20% and chop 70 in half and we get 35. So 35 = 20% So we multiply 35 by five, and get 175. So 70 is 40% of 175.
Step-by-step explanation: