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Subjects
Mathematics State Board
Class 7
Algebra
Exponents and Powers
8.
The equation
Exercise condition:
5
m.
The equation is given
13
z
+
−
0.2
13
=
−
0.488
12
.
Choose the right answers for the given questions:
1. Which expression will be negative after carrying the exponentiation?
−
0.2
13
−
0.488
12
2. Which expression will be positive after carrying the exponentiation?
−
0.488
12
−
0.2
13
3. Is the root of the equation a positive number?
Yes
No
.
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