You find a nugget of gold in the desert. You have a jeweler weigh it at 10.21 ounces. You rush to the Internet to find that gold is currently selling at $1,384 per ounce. You estimate that the gold is worth $14,000. Is this a reasonable estimate?
a.)It is an exact answer, not an estimate.
b.)No, it is thousands of dollars too low.
c.)No, it is thousands of dollars too high.
d.)Yes, it is a reasonable estimate.
Stacey Warren - Expert brainly.com
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Same concept as the last problem. estimate the price of the gold that you have. (10 times 1300) which is 13,000. Since you have slightly more than 10 ounces of gold, the answer will be a little bit larger than 13,000. Seems close to me.
it would be c right ?
I would go with D. How would it be too high if you estimate it with lower values than what you actually have?
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think of it this way: 10.21 ounces is ABOUT 10 ounces right? so just do: 10*1384 dollars which will give you about 13,840 dollars worth of money. its close enough to 14,000 and no where near "thousand of dollars off". also, learn the rules of multiplying by 10's and 100's. if you're multiplying a WHOLE number by 10, just stick an extra 0 at the end of the number. if you are multiplying a WHOLE number by 100, stick on two 0's at the end of the number. same with 1,000 and so on. if you're multiplying a DECIMAL by 10, move the decimal point one digit to the right. if multiplying DECIMAL by 100, move the decimal two places to the right. same with 1,000 and so on.