the answer is $34. 36 if I understood your question correctly.
Step-by-step explanation:
<h2>2.1</h2><h2>
<em><u>that's</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u>.</u></em></h2><h2>
<em><u>thank</u></em><em><u> you</u></em><em><u>.</u></em></h2>
Based on the ratio of boys/girls We can infer that the only possibility for Ellen's math class would be answer B. 14/21
3 to the power of 4:
=34
x
n
=
3
4
=3⋅3⋅3⋅3
=
3
⋅
3
⋅
3
⋅
3
=81
=
81
For example, 3 to the power of -4:
=3−4
x
n
=
3
−
4
=134
=
1
3
4
=13⋅3⋅3⋅3
=
1
3
⋅
3
⋅
3
⋅
3
=181
=
1
81
=0.012346
Answer:
20%
Step-by-step explanation:
90 - 75 = 15
15 ÷ 75 = 0.2
0.2 x 100% = 20%