Answer:
<em>0.6 ÷ 0.3 - Option 2.</em>
<em>0.2 × 0.9 - Option 3.</em>
Using the formula (AB +BC) *BC = (DE +CD) *CD
fill i n what is known:
(17 + 4) *4 = (DE +6) *6
21*4 = (DE +6)*6
84 = (DE+6)*6
84/6 = DE+6
14 = DE +6
DE = 14-6
DE = 8
Answer:
It’s A
Step-by-step explanation:

<h3><em>The </em><em>answer </em><em>is </em><em>option </em><em>a </em><em>.</em><em> </em><em>6</em><em>.</em><em>1</em></h3><h3 />
Answer:
B. 2⁷
Step-by-step explanation:
Whenever you multiply 2 exponents, you add the powers.
(2³)(2⁴)
3 + 4 = 7
2⁷