Mathematics For Class IX Science - Unit 03: LOGARITHMS - Fill In The Blanks And Multiple Choice Questions (MCQs)

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Unit 03: LOGARITHMS
Fill In The Blanks And Multiple Choice Questions (MCQs)

1. The characteristics of log 0.00226 is 3.
2. If log_x81 = 4, then x = 3.
3. The natural logarithm has the base e.
4. The characteristics of log 0.08595 is 2.
5. The characteristics of log 8595 is 3.
6. If log₇x = 2, the value of x is 7² = x.
7. The scientific notation of 756837 is 7.56837 x 10⁵.
8. If log_a16 = 4, a = 2.
9. The logarithm from of 2⁵ = 32 is log₂32 = 5.
10. The characteristics of log 6.67 x 10^-11 is 11.
11. log_a ^x3y/_z² = 3log_ax + log_ay - 2log_az.
12. If log₁₀1000 = y, the value of y will be 3.
13. The characteristics of log 0.00234 is 3.
14. If log₄x = -³/₂ = ¹/₈.
15. If log_x32 = 5, x = 2.
16. Logarithms were introduced by Abu Muhammad Musa Al-Khwarizmi.

Special thanks to Sir Sajjad Akber Chandio