Question

Each bowling ball weighs 7.3*10^3 grams. The bowling alley has 2.0*10^2 bowling balls. How much do they all weigh, combined? Express your answer in scientific notation.

Answer 1

1.46 x 10⁶g

Explanation:

Given parameters:

Weight of each bowling ball = 7.3 x 10³g

Number of balls in the bowling alley = 2.0 x 10²bowling balls

Unknown

The weight of the balls in the alley = ?

Solution:

To find the weight of the balls in the alley, multiply the mass of each balls with the total number of balls;

Weight of the balls = 7.3 x 10³ x 2.0 x 10²

Weight of the balls = (7.3 x 2.0) x 10³⁺²

Weight of the balls = 14.6 x 10⁵g

Therefore, the weight of the balls = 1.46 x 10⁶g