Number Representation

Written in words, the number 423 679 is

• Forty-two thousand, thirty-six hundred and seventy nine.

• Four hundred and twenty-three thousand, six hundred and seventy nine

• Four million, twenty three thousand six hundred and seventy nine.

• Four million, two hundred and thirty six thousand and seventy nine

The number five thousand, five hundred and fifty is written

• 500 050 050

• 5000 550

• 550 050

• 5550

The number ninety-nine thousand, eight hundred and six is written as

• 909806

• 99806

• 90986

• 9986

Written in words 20913 is

• Two hundred and nine thousand and three

• Two thousand nine hundred and thirteen

• Twenty thousand nine hundred and thirteen

• Twenty thousand and ninety-three

How can you write 45 as a rational number?

• 45/1

• 0.45

• 45/10

• 45/5

True or False: 
.45 can be written as a fraction.

• True

• False

Express an integer: a plane descended 3000 ft

• 3000

• 300

• -300

• -3000

83025 written in expanded form is

• 8+30+2+5

• 800+3000+20+5

• 80000+3000+200+5

• 80000+3000+20+5

8×10,000+2×1,000+7×100+3×10 written in standard form is

• A. 80000 2000 700 300

• B. 802730

• C. 82730

• D. 8273

Which of the following is the smallest number?

• 110079

• 100790

• 110790

• 101790