The decimal form of 2.57 x 103is

2.57 x 103 = 2.57 × 1000 = 2570Correct answer is (B)

Q3 of 124 Page 42

The decimal form of 2.57 x 10³is

2.57 x 10³ = 2.57 × 1000 = 2570

Correct answer is (B)

The scientific notation of 923.4 is

The scientific notation of 0.00036 is

The decimal form of 3.506 × 10^–2 is

The logarithmic form of 5² = 25 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