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Maths CBSE Homework Assignments
Class 7
Exponents and powers
Exponents and powers III
2.
The equation
Question:
5
m.
The equation is given
3
z
+
−
0.3
3
=
−
0.488
2
.
Choose the right answers for the given questions:
1. Which expression will be negative after carrying the exponentiation?
−
0.488
2
−
0.3
3
2. Which expression will be positive after carrying the exponentiation?
−
0.488
2
−
0.3
3
3. Is the root of the equation a positive number?
No
Yes
.
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