Number Relationships
100 is how many times more than 2?
50
What is the lowest, positive perfect square number?
1
Solve 6 x 104.
What is 60,000
How many digits does a number in the ten millions have?
8
Write 4.302 X 109 in standard notation.
4,302,000,000
A German Shepherd weighs 10 times more than an average house cat. A house cat weighs 10.5lbs. How much does a German Shepherd weigh?
105lbs
Estimate the square root of 35 to one decimal place.
5.9
Solve 88 x 102.
What is 8800
10 000 + 5000 + 700 + 20 + 9
Write 28,383,000,000,000 in scientific notation
2.8383×1013
Which is bigger: 8km or 10,000m
10,000m
Estimate the square root of 95 to one decimal place.
9.7
In the equation 100 000 = 1 x 10n, what is the value of n?
5
Write the following number in expanded form: 180,050
100 000 + 80 000 + 500
Write 0.00034 in scientific notation
3.04 x 10-4
Which is bigger: 4.5km, 450m, or 500,000cm
500,000cm
Estimate the square root of 111 to one decimal place.
10.5
What does 10-1 equal?
0.1
What is the following number in words: 5,290,375,405
Five billion, two hundred and ninety million, three hundred and seventy-five thousand, four hundred and five
Write 3.123x10-4 in standard notation.
.0003123
A snail moves 5 x 10-3 km/h. How long would it take a snail to move 20 metres?
Four hours
What is 0.72?
0.49
Solve: 21 x 104 divided by 102
2100
What is the following number in words: 200000000000000
Two hundred trillion
Multiply (2×103) and (4×102) and express the answer in scientific notation.
8×105