To express the speed of a supersonic jet which is 130000 m/s in the standard form, we write it as $1.3 \times 10^{a}$ m/s. Find the value of a.

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Solution

Speed of the jet = 130000 m/s
= 13 $\times$ 10000 m/s
= 13 $\times$ $10^{4}$ m/s (0.5 marks)
= 1.3 $\times$ $10^{5}$ m/s (0.5 marks)

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To express the speed of the supersonic jet, which is 130000 m/s, in the standard form, we write it as $1.3 \times 10^{a}$ m/s. The value of $a$ is _______ .

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To express the speed of the supersonic jet, which is 130000 m/s, in the standard form, we write it as

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___.

To express the speed of a supersonic jet which is 130000 m/s in the standard form, we write it as $1.3 \times 10^{a}$ m/s. The value of a is

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To express the speed of a supersonic jet which is 130000 m/s in the standard form, we write it as1.3×10a m/s. Find the value of a.

Speed of the jet = 130000 m/s = 13 × 10000 m/s = 13 × 104 m/s (0.5 marks) = 1.3 × 105 m/s (0.5 marks)

To express the speed of a supersonic jet which is 130000 m/s in the standard form, we write it as $1.3 \times 10^{a}$ m/s. Find the value of a.

Speed of the jet = 130000 m/s
= 13 $\times$ 10000 m/s
= 13 $\times$ $10^{4}$ m/s (0.5 marks)
= 1.3 $\times$ $10^{5}$ m/s (0.5 marks)