simplifying
15 - (3a - 8)
23- 3a
Write the following number in scientific notation:
43,000,000,000,000 km
4.3 * 1013
3x7 * 2x9
6x16
(ab)4
a4b4
(-3)4
81
6d(3e - f)
18de - 6df
Write your solution in scientific notation:
23,000,000 + 5,000,000
2.8*107
2x5 + 3y3 - 5x5
3y3 - 3x5
3a3(2a + a4)
= 6a4 + 3a7
3(2a - 1) - 2(5a - 3)
=6a - 3 - 10a + 6
= -4a + 3
2*-x*-6xy
12x2y
Write your answer in scientific notation:
1,000,000 - 400,000
= 6 * 105
fill in the blank
6x8 = 3x6 * ...
2x2
(-4a)2 * -4a3
= 16a2 * -4a3
= -64a5
x7*x5
x12
3x * 2y - 2x * -y - 3x(2y+1)
= 6xy + 2xy - 6xy - 3x
= 2xy - 3x
write your answer in scientific notation:
A number that is 100 times smaller than 32,500,000
3.25x105
fill in the blank:
6ab = -2a * ... + 4a*b
-b
(3a2)3 - 2a6
= 27a6 - 2a6
= 25a6
(2xy)3
8x3y3
Hassan is a-2 years old. His father is 4 times older. How old was his father 3 years ago?
= (a-2)*4 - 3
= 4a - 8 - 3
= 4a - 11
write your answer in scientific notation:
a number that is 30 times larger than
773,000 - 440,000
=333,000*30
= 9,990,000
= 9.99 * 106
12a6b4 = 3 * (...)2
2a3b4
5*(23)-2
5/64
3*(1.5)-2
= 3*(3/2)-2
= 3*(2/3)2
= 3*(4/9)
= 12/9
= 4/3 or 1 1/3