In log x = -2.1234 the value of x is

• 0.007526 A
• 0.07526 B
• 0.7526 C
• 7.526 D

• 0 A
• -3 B
• 3 C
• +3 D

log (0)=

• Positive A
• Zero B
• Uderfined C
• Negative D

If the decimal point is moved to the left when converitng to scientific notation, the exponent is.

• Positive A
• Negative B
• Zero C
• Constant D

Log₂ 2³

• 1 A
• 2 B
• 3 C
• 5 D

log 2 2³

• 1 A
• 2 B
• 5 C
• 3 D

If log 2=0.3010, then log 200 is

• 1.3010 A
• 0.6010 B
• 2.3010 C
• 2.000 D

• 5 A
• 7 B
• 9 C
• 10 D

In Scientific notation ,if the numebr is less than 1 , the exponent is.

• Negative A
• Positive B
• Zero C
• None of these D

log ₃20 =...................

• 2log₃ , 2+log₃ 5 A
• 2log₃ , 2+log₃2 B
• 2log₅ , 2+log₃2 C
• 2log₄ , 2+log₃5 D

----------Introduced logarithm table.

• John Napier A
• Henry Briggs B
• Euler C
• Khwarizmi D

The logarithm of unity to any base is

• 1 A
• 0 B
• 10 C
• e D

• 2 A
• 1 B
• 4 C
• 8 D

If a= b x 10 ⁿ is written in scientific notation then

• 
  A
• 
  B
• 
  C
• 
  D

• a+b=1 A
• a-b=1 B
• a=b C
• a² -b² =1 D