Standard form of 0.000000789 is

Standard form of 0.000000789 is
(a) 78.9 × 10-8
(b) 789 × 10-9
(c) 7.89 × 10-7
(d) None

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 2 Exponents and Powers Objective Type Questions 12

The usual form of 3.67 × 105 is
(a) 3670000
(b) 367000
(c) 36700
(d) 3670

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 2 Exponents and Powers Objective Type Questions 13

Multiplicative inverse of \left( \frac { -2 }{ 3 } \right) ^{ 4 } is
(a) \frac { 16 }{ 81 }
(b) \frac { -16 }{ 81 }
(c) \frac { 81 }{ 16 }
(d) \frac { -81 }{ 16 }

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 2 Exponents and Powers Objective Type Questions 14

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