1.
write this expression in standard form: 6.7 x 107107

670.007

67,000,000

670,000
2.
write this expression in standard form: 2.45 x 104104

24.5

24,500

2450
3.
simplify the following expression: 22⋅22=22⋅22=

32

4

16
4.
simplify the expression: b−2⋅b4⋅b=b-2⋅b4⋅b=

b3b3

b−8b-8

b
5.
simplify the expression: c−2⋅c7c-2⋅c7 =

c9c9

c5c5

c−14c-14

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

wfirfkfr/jjfi; jn; p/ojkfvlbvmkmgkgkkkgkkg

step-by-step explanation:

it's 100

step-by-step explanation:

22, 28, 34, 40, 46

b)   f(n) = 6n + 16

  n = what is the number of the row ( 22 would be row 1) so if we replaced n with 1, we would get 22

c)   the  14th  row will have 100 seats

(1)   (2)   (3)   (4)   (5)   (6)   (7)   (8)   (9)   (10) (11) (12) (13) (14)

22 | 28 | 34 | 40 | 46 | 52 | 58 | 64 | 70 | 76 | 82 | 88 | 94 | 100

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b. is true. hope this . happy