a) e^5 * e^4 = e^(5+4) = e^9
b) (4ab^2)^3 = 4^3 * a^3 *b^6 = 64a^3b^6
c) (36n^7p^5)/(9n^4p) = 4n^3p^4
Answer:
x - y = 5
x + y = 23
x = 14, y = 9
Step-by-step explanation:
Make x subject:
x = 5 + y
Substitute c by (5 + y) :
( 5 + y) + y = 23
2y = 18
y = 9
Substitute y (9):
x = 5 + 9
x = 14
Answer:
0.85p and p - 0.15p are right
Answer:
11 x 2^3 =11 x 2 x 2 x 2 = 88
Step-by-step explanation:
88
<u>11</u> 8
<u>2</u> 4
<u>2</u> <u>2</u>
<u />
Use a factor tree it helps a lot :0).