Exponents and Power of 10
What is
10^2?
100
What is the value of the 3 in 3,254?
3000
Write 0.05 as a fraction.
5/100
Write the following number in standard form
3.12
(3 x 1) + (1 x 0.1) + (2 x 0.01) or
(3 xx 1) + (1 xx 1/10) + (2 xx 1/100)
Compare 0.89 __ 0.890
=
What is 8 x 1000?
8000
Write the number name
25,907
twenty five thousand, nine hundred seven
Round 34.71 to the nearest whole number.
35
Write the number in standard form
four and sixty-eight hundredths
4.68
Compare 9.707 __ 9.717
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What is
2 xx 10^2?
200
Write the number in standard form
8,000,000 + 300 + 7
8,000,307
Write 87/100 as a decimal.
0.87
Write the number in standard form
(2 xx 1) + (6 xx 1/1000)
2.006
Write the decimals from greatest to least.
87.304, 87.403, 88.403
88.403, 87.403, 87.304
10^3
Write the number in expanded form
5,360
(5 x 1000) + (3 x 100) + (6 x 10) or
(5 xx 10^3) + (3 xx 10^2) + (6 xx 10^1)
Write 17/1000 as a decimal.
0.017
Write this number in expanded form
205.95
(2 x 100) + (5 x 1) + (9 x 0.1) + (5 x 0.01) or
(2 xx 10^2) + (5 xx 1) + (9 xx 1/10) (5 xx 1/100)
Compare 0.584 __ 0.58
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What is the rule for multiplying powers of 10?
Move the decimal to the right the same number of places as the exponent or as the number of zeros.
Write the following number in expanded for
2,350,004.
(2 x 1,000,000) + (3 x 100,000) + (5 x 10,000) + (4 x 1) or
(2 xx 10^6) + (3 xx 10^5) + (5 xx 10^4) + (4 xx 1)
Round 7.158 to the nearest hundredths place.
7.16
How can you tell that 7.630 and 7.63 are equivalent decimals?
The seven, six and three are in the same place. The zero in the thousandths place adds no value to the number.
Write the decimals from least to greatest
45.398, 45.389, 44.399
44.399, 45.389, 45.398