In Astronomy, Distances to Stars Are Measured in Light Years

question 69

Multiple Choice

In astronomy, distances to stars are measured in light years. One light year is the distance a ray of light travels in one year. If the speed of light is approximately 186,000 miles per second, estimate the number of miles in five light years.

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Unemployment

The condition of being without a job, often measured by the unemployment rate, which is the percentage of the labor force that is jobless and seeking employment.

Leading Economic Indicator

A statistic that predicts future economic activity and trends before they occur, such as the stock market or job applications.

Money Supply

The total amount of monetary assets available in an economy at a specific time, including cash, coins, and balances held in checking and savings accounts.

Inflation

Inflation denotes the rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling.