Asked by Mary
solve the equations
21E-7=0
I came up with 0.33
am I right or wrong
21E-7=0
I came up with 0.33
am I right or wrong
Answers
Answered by
Reiny
easy way to tell, just sub it in
Left Side= 21E-7
= 21(.33) - 7
= .07
≠ 0
so , no, you are wrong
21E - 7 = 0
21E = 7
E = 7/21 = 1/3 as the accurate answer.
1/3 = .3333.... , not .33
Left Side= 21E-7
= 21(.33) - 7
= .07
≠ 0
so , no, you are wrong
21E - 7 = 0
21E = 7
E = 7/21 = 1/3 as the accurate answer.
1/3 = .3333.... , not .33
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