Hello,
(-9)⁴= (-9).(-9).(-9).(-9)= 81.81 = 6561
4(5x + 12) simplified = 20x + 48
Answer:
the first one is 113.04m
the second one is 615.44 cm
the third one is 530.66 ft
the fourth one is 163.28 in
the fifth one is 31.4 m
the sixth one is 28.26 m
the seventh one is 314
the eightth one is 50,24
finally finished:)))
you can't factorize it in rational numbers
