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IB Maths AI SL 1.1 Scientific notation

IB Maths AI SL 1.1 Scientific notation
IB Mathematics: applications and interpretation guide, first assessment 2021

Students practise expressing calculated results—including revolutions, password guesses, or tile areas—in scientific notation with correct mantissa and integer exponent.

How this is tested

  • rewrite final numerical answers into a × 10ᵏ form where 1 ≤ a < 10 and k ∈ ℤ

Question 2(e)

[Maximum number: 3]

The Scheveningen Ferris wheel's lowest point is 8 m above sea level, and its highest point is 45 m above sea level.

Figure for Question 2(e) — IB Maths AI SL

Calculate the total number of revolutions that the Ferris wheel has made. Give your answer in the form a×10ka \times 10^{k} where 1a<101 \leq a<10 and k is an integer.