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what is the answer to 4.9 = 0.7m




Sagot :

4.9 = 0.7m            |(*10)
4.9 * 10 = 0.7m * 10
49 = 7m                |(:7)
49/7 = 7m/7
m = 7

4.9=0.7m
---- -----
0.7 0.7

7=m