Convert 471568 to base 10.

471568 = 4 × 84 + 7 × 83 + 1 × 82 + 5 × 81 + 6 × 80= 16384+3584+64+40+6 = 2007810Thus, 471568 = 2007810

Q11 of 124 Page 42

Convert 47156₈ to base 10.

47156₈ = 4 × 8⁴ + 7 × 8³ + 1 × 8² + 5 × 8¹ + 6 × 8⁰

= 16384+3584+64+40+6 = 20078₁₀

Thus, 47156₈ = 20078₁₀

Convert 98567₁₀ to base 8.

Convert 688₁₀ to base 8.

Convert 585₁₀ to base 2,5 and 8.

The scientific notation of 923.4 is

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