I'm guessing the answer would be 141 pennies in a rectangular array I think I'm right but i might be wrong
Answer:
10a^4b^2
Step-by-step explanation:
Answer:
a = 30
2a = 60
3a = 90
Step-by-step explanation:
3a + 2a + a = 180 ( Sum of angles of a triangle is 180)
6a = 180
a = 180/6
a = 30
2a = 2 x 30 =60
3a = 3 x 30 = 90
3 meters = 300 cm
300 cm = 3000 mm
Hope it helped :)
Answer is option B.

Explanation:
5 to the power -2 can be written as

which will be

which will be
