Which is the best estimate of the product of 4.12 x 9.8?

Depends on how many decimals you want. No decimals is 40, tenths place is 40.4, hundredths is 40.38

Step-by-step explanation:

4.12*9.8 is 40.376. So it depends on what kind of estimate you want...

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'.

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im not sure