3 years ago

What is 4x10 to the power of 2 in standard notation?

1 answer:

6 0

4x10²
You can either do this by solving,
4 × (10 × 10)
4 × 100
400

Or you can do it by just moving the (invisible) decimal point after 4, 2 spaces to the right (because the exponent is positive.
4.00
400

So in standard notation, it's 400.

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One bar of candy A and two bars of candy B have 777 calories. Two bars of candy A and one bar of candy B contain 783 calories. F

RSB [31]

Answer:

A has 263 calories

B has 257 calories

Step-by-step explanation:

system of equations:

a + 2b = 777

2a + b = 783

I multiplied the first equation by -2 to eliminate the 'a' terms

-2a - 4b = -1554

+ 2a + b = 783

-3b = -771

b = 257

solve for 'a'

a + 2(257) = 777

a + 514 = 777

a = 263

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Answer:

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Step-by-step explanation:

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Answer:

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If Carri has 2345 marbles and subtracts 2156 how much does she have left?

Ann [662]

2345
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A sum of money was to be shared among three friends,Albert,Micheal,Moses in the ratio 3:5:6.if Micheal receives $45,find the sum

kirza4 [7]

Answer:

The sum of the money shared is $1372

Step-by-step explanation:

The given ratio is

Albert:Michael:Moses=3:5:6

The total ratio is 3+5+6=14

Let the sum of money shared be $x.

Then Albert's share = 3/14 x $x$ = 3 $x$ / 14

Michal's Share = 5x/14

If Michael received $196 more than Albert, then the difference between their share is the $196.

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