A plane flies from base camp to lake a 280 km away in the, Ask an Expert

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Q1. Now consider expression 4.0 times 10^3 + 4times 10^2. Find out the values of a and k when value of this expression is written in scientific notation.

Q2. A plane flies from base camp to Lake A, 280 km away in the direction 20° north of east. After dropping off supplies it flies to Lake B that is 190 km at 30° west of north from Lake A. Graphically find out the distance and direction from Lake B to the base camp.

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