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3. the distance to the sun is approximately 93,000,000 mi. a firefly is about 0.04 in. long. (a) what is the distance to the sun written in scientific notation? (b) what is the length of a firefly written in scientific notation? (c) the distance to the sun in inches is . how many fireflies would it take to reach the sun if they were put end to end? +

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.