Answer:
c^6
Step-by-step explanation:
c^5*c^1=c^5+1=c^6
23 can round to 20 and 21 can also round to 20 so all u do is 20x20=400 so 400 is your estimated answer
Answer:
$15.96
Step-by-step explanation:
Sales price = $19.95
Discount = 20%
Amount paid = $19.95 - ($19.95*20%) = $19.95 - $3.99 = $15.96
Answer:

Step-by-step explanation:
Given 2 similar figures with ratio of sides = a : b, then
ratio of areas = a² : b²
Here ratio of sides = 52 : 68 = 13 : 17 ← in simplest form, thus
ratio of areas = 13² : 17² = 169 : 289 = 
Answer:
85%
Step-by-step explanation:
6000 x 0.85 = 5100
5100 - 6000 = 9000
Hope this helped!