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7
3
x
g) Round brackets
Unit 6.Powers.
Look through the table and try to memorize it.
symbols Reading Additional word
combinations
cb
n
=
b to the n-th power is
equal to c
b to the n-this equal to c
the n-th power of b is
equal to c
b to the power of n is
equal to c
b to the power n is equal
to c
To raise to a power to
square a number to cube
number
b –base
n –power exponent
c – value of a power
b
n
– power
32
,bb
b squared, b cubed
n
b
−
b to the power of minus n
nmnm
aa =
/
The m over n-th power of
a equals the square root of
a to the m-th power
6.1 Assignments
6.1.1. Memorize the following words and word-groups:
power
[`pauq]
степень
to raise to a power to
[`reIz to q `pauq to]
возводить в степень
base
[bqIs]
основание
power exponent
[`pauq]
показатель степени,
value of a power
[`vxljH Ov q `pauq ]
величина степени
involution
[
`
invq`lHSqn]
возведение в степень
6.1.2. Read the following expressions.
•
da
c
log
3
=
•
0
2
2
=
t
u
δ
δ
•
nm
aa =
4
•
2166
3
=
16
7 3
x g) Round brackets
Unit 6.Powers.
Look through the table and try to memorize it.
symbols Reading Additional word
combinations
bn = c b to the n-th power is To raise to a power to
equal to c square a number to cube
b to the n-this equal to c number
the n-th power of b is
equal to c
b to the power of n is
equal to c
b to the power n is equal
to c
b –base
n –power exponent
c – value of a power
bn – power
b 2 , b3 b squared, b cubed
b −n b to the power of minus n
am/n = n am The m over n-th power of
a equals the square root of
a to the m-th power
6.1 Assignments
6.1.1. Memorize the following words and word-groups:
power [`pauq] степень
to raise to a power to [`reIz to q `pauq to] возводить в степень
base [bqIs] основание
power exponent [`pauq] показатель степени,
value of a power [`vxljH Ov q `pauq ] величина степени
involution [`invq`lHSqn] возведение в степень
6.1.2. Read the following expressions.
• a 3 = log c d
δ 2u
• =0
δt 2
• a4 = n am
• 6 = 216
3
16
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