kyarmoommar
- If [2/3]^(x+3) = [8/27]^2, then x is equal to…..
A.2 B.3 C.5 D.8 E.9 - If 312x+1 . 3x+4= 99, then x=……….
A.4 B.5 C.6 D.7 E.1
4.√288 + √200 + √392 =……..
A.20√2 B.16√2 C.10√2 D.8√2 E.4√2
Logarithms
- If the number 31200 is put in the form 3.12 ×10n, the value of n is
A. 1 B. 2 C. 2 D. 4 E. 5 - The scientific notation 3.5 ×103 multiplied by 3 is
A. 1.05 ×102 B.1.05×1010 C. 1.05×103 D.1.05×109 E. 1.05×104 - The scientific notation 8.2×10-4 + 5.4×10-4=………
A.1.35×10-5 B. 1.36×10-4 C.1.36×10-3 D.1.36×10-7 E.1.36×103 - Which of the following is (are) true?
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