Question

calculati:


a) ( 3-0,0055 ori 10 la puterea 2 : 0,25 ) la puterea 3 ori 10

b) ( 2-0,0024 ori 10 la putere 2 : 0,16)la puterea 3 ori 10


c) 10 ori ( 4-0,0036 ori 10 la puterea 2 : 0,15 ) la puterea 3


d) 10 ori ( 3-0,0054 ori 10 la putere 2 : 0,45 ) la puterea 3


e) 10 ori ( 5- 0,0042 ori 10 la puterea 2 ori o,12) la putera 3


f) 10 ori ( 5- 0,0063 ori 10 la puterea 2 : 0,14 ) la puterea 3

Answer 1

a) (3-0,0055 ori 10 la puterea 2 :0,25)la puterea 3 ori 10=
(3-0,0055 ori 100 : 0,25)la puterea 3 ori 10=
(3- 0,055 :4)la puterea 3 ori 10=
(3-0,0013)puterea 3 ori 10=
2,9987 puterea 3 ori 10=
26,96 ori 10=269,6


b)  (2-0,0024x10 puterea 2 : 0,16)puterea 3=
(2-0,0024x100:0,16)puterea3=
(2-0,24:0,16)puterea 3=
(2-1,5)puterea 3=
0,5 puterea 3=0,125

c)   10x(4-0,0036x10 puterea 2 :0,15)puterea 3=
10x(4- 0,0036x100:0,15)puterea 3= 
10x(4-0.36:0,15)puterea 3=
10x(4-2,4)puterea 3=
10x1.6 puterea 3=
10x4,096=40,96

d)   10 x(3-0,0054x10 puterea 2 :0,45)puterea 3=
10x(3-0,0054x100:0,45)puterea 3=
10x(3-0,54:0,45)puterea 3=
10x(3-1,2)puterea 3=
10 x 1,8 puterea 3=
10x 5,832=58,32

e)   10x (5-0,0042x10 puterea 2 x 0,12)puterea 3=
10 x (5-0,0042x100 x 0,12)puterea 3=
10 x(5-0,42x0.12)puterea 3=
10x(5-0,05)puterea 3=
10x4,95 puterea 3=
10x121,28=1212,8

f)   10x(5-0,0063x10 puterea2 :0,14)puterea3=
10x(5-0,0063x100:0,14)puterea 3=
10x(5-0,63:0,14)puterea 3=
10x(5-0,088)puterea 3=
10x 4,91 puterea 3=
10x118,37=1183,7