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It's Simple
Negatively Thinking
Science!
Operate on this
It's Significant
100
a
3
x a
4
=
What is a
7
100
n
-3
=
What is 1 / n
3
100
235,000,000,000
What is 2.35 x 10
11
100
(2.5 x 10
6
)(1.2 x
4
)
What is 3 x 10
10
100
236,489 to two significant digits
What is 240,000
200
b
5
/ b
3
=
What is b
2
200
(3⁄r
2
)
-1
What is r
2
⁄3
200
0.0000000253
What is 2.53 x 10
-8
200
(4.1 x 10
3
)(3.2 x 10
5
)
What is 1.312 x 10
9
200
0.000439 to one significant digit
What is 0.0004
300
(2a
3
b
5
c)
3
=
What is 8a
9
b
15
c
3
300
(2y
-2
z
2
)
-2
What is y
4
/ (4z
4
)
300
The speed of light is 3.0 x 10
8
What is 300,000,000
300
(4.2 x 10
-5
) / (2.1 x 10
-3
)
What is 2 x 10
-8
300
A one-significant-digit estimate of 3,642,984 x 203,941 in scientific notation
What is 8 x 10
11
400
4m
5
n
2
/ 12m
2
n =
What is m
3
n / 3
400
(3y
-2
z)
-1
/ (2yz
-2
)
0
What is y
2
/ 3z
400
The wavelength of ultraviolet light is 1.36 x 10
-6
cm
What is 0.00000136 cm
400
(3.6 x 10
7
) / (9 x 10
-3
)
What is 4 x 10
9
400
A two digit estimate of (2,439,830 x 0.00000472)
What is 10
500
(pq
2
r
3
)
3
/ (p
3
qr
2
)
2
=
What is q
4
r
5
/ p
3
500
[(p
-2
q
-1
) / (p
-1
q
-2
)]
-1
What is p⁄q
500
(0.005)
3
compared to 2 x 10
-8
What is greater than
500
(6.4 x 10
-8
)
2
/ (2 x 10
7
)
What is 2.048 x 10
-14
500
A two significant digit estimate of (2,342,938,473 x 39,720,034 x 0.0000002459) / 0.0000034287
What is 6.8 x 10
14