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avanturin [10]
3 years ago
10

What's 10 times 3 tens

Mathematics
2 answers:
k0ka [10]3 years ago
8 0
Hey there!

You can think of these questions in terms of dollar bills. For example, "tens" can also be ten dollar bills. So, three tens would be:

$10 + $10 + $10 = $30

Now, multiply that number of dollars by 10. Remember a really good trick for doing mental math with multiplying by 10: just add a zero onto the end of the other number. 

10 × $30 = 300

Your answer will be 300. 

Hope this helped you out! :-)
nadya68 [22]3 years ago
6 0
$10+$10+$10 = $30

$30 x $10 = $300

Answer= $300
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1. 9.355 × 10^{7} can be used to express the age of the dinosaur fossil.

Step-by-step explanation:

Step 1; To determine which value is the closest to 93,550,000 we must calculate how much the 4 options equal. If there are decimals in the number, they are moved from the decimal part of the number to the integer part with every power of 10 i.e. 2.4 × 10 = 24, 2.44 × 10² = 244.

Step 2; Now we determine how much the 4 options equal.

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2. 9 × 10^{7} = 90,000,000.

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Step-by-step:

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