Convert 11010112 to base 10.

11010112 = 1 × 26 + 1 × 25 + 0 × 24 + 1 × 23 + 0 × 22 +1 × 21+ 1 × 20= 64 + 32+ 0+8+0+2+1 = 10710Thus, 11010112= 10710

Q3 of 124 Page 42

Convert 1101011₂ to base 10.

1101011₂ = 1 × 2⁶ + 1 × 2⁵ + 0 × 2⁴ + 1 × 2³ + 0 × 2² +

1 × 2¹+ 1 × 2⁰

= 64 + 32+ 0+8+0+2+1 = 107₁₀

Thus, 1101011₂= 107₁₀

Convert 45₁₀ to base 2

Convert 73₁₀ to base 2.

Convert 111₂ to base 10.

Convert 987₁₀ to base 5.

Questions · 124

2. Scientific notations of real numbers and logarithms

1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 9 9 9 9 9 9 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 6 6 6 6 6 6 6 6 6 6 6 6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10