POWERS OF 10

PROBLEMS

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1.  Each of the following has how many digits? Name them.

1.  a)  23,548   Five digits:  2, 3, 5, 4, 8.

1.  b)  100  Three:  1, 0, 0.

2.  Name the first six powers of 10, and write their numerals.

Ten; 10.  One hundred; 100.  One thousand; 1,000.
Ten thousand; 10,000.  One hundred thousand; 100,000.
One million; 1,000,000.

3.  a)  In the following number starting from the right (005), give the

3.  a)  name of each class.

279,602,500,050,005

Ones, Thousands, Millions, Billions, Trillions.

3.  b)  Read the number.

Two hundred seventy-nine trillion, six hundred two billion, five hundred million, fifty thousand, five.

4.  Place commas in each number so that the classes are distinguished.

4.  Then read the number

4.  a)  4 2 3 8 8

4.  a)  42,388   Forty-two thousand, three hundred eighty-eight.

4.  b)  1 0 0 0 0 0 0 0

4.  b)  10,000,000   Ten million.

4.  c)  1 8 2 7 9 6 4 0 5 2 2 1 9 6

4.  c)  18,279,640,522,196
4.  c)  18 trillion, 279 billion, 640 million, 522 thousand, 196.

5.  Read each number aloud.

5.  a)  385   Three hundred eighty-five.

5.  b)  385,000  Three hundred eighty-five thousand.

5.  c)  385,000,000   Three hundred eighty-five million.

5.  d)  385,000,000,000    Three hundred eighty-five billion.

6.  Write each number in words.

6.   a)  202,000,016

6.  a)  Two hundred two million, sixteen.

6.   b)  800,060,003,012

Eight hundred billion, sixty million, three thousand, twelve.

6.   c)  67,000,020,000

Sixty-seven billion, twenty thousand.

6.   d)  419,000,003,000,040

Four hundred nineteen trillion, three million, forty.

7.  Write each number in numerals.

7.    a)  Five hundred thirty-six.  536

7.    b)  Two thousand twenty-four.  2,024

7.    c)  Five thousand one hundred forty-two.  5,142

7.    d)  Forty thousand seventy-eight.  40,078

7.    e)  Eight hundred twelve million, four hundred seventy-one.

812,000,471

7.    f)  Five hundred ten million  510,000,000

7.    g)  Five hundred million ten.  500,000,010

7.    h)  Eighty billion, twenty-two thousand, seven hundred three.

80,000,022,703

7.    i)  Three hundred one billion, eight million, two hundred thousand,

7.  h)   ninety-nine.  301,008,200,099

7.    j)  Ten trillion, five million one.  10,000,005,000,001

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