Index Laws
simplify y3 x y2
y5
write 6000 in scientific notation
6 x 103
A worker earns $20 per hour. How much for 4 hours?
$80
Find the hypotenuse of a triangle with sides 3 & 4.
5
y7 / y3
y4
write 3.2 x 104
32000
The rule is
C = 80t + 150.
Find the cost for 5 hours?
$550
Find the missing side if
c = 13 and one side is 5
12
write with a positive exponent: a-4
1 / a4
write 0.00056 in scientific notation
5.6 x 10-4
Find t if
C= 80t + 150 and C = 470
t = 4
A ladder reaches 8m high and sits 6m from the wall. How long is it?
10m
simplify (m2)4
m8
The earth's diameter is 1.3 x 104km. Write it in standard form.
13000km
Deal A: $30 / hour
Deal B: $20 / hour + $40 booking fee.
Which is cheaper for 3 hours.
Deal A
True or false
Pythagoras only works with right angle triangles.
True
Jessie says b3 + b2 = b5
explain the mistakeexponents are only added when multiplying, not adding terms
The moon is 384000km away. About how many Earth diameters fit into this distance?
30 Earths
Deal A: $30 / hour
Deal B: $20 / hour + $40 booking fee.
Which deal is cheaper for 6 hours?
Deal B
Frank walks 8m east and 15m north. Find the shortest distance home.
17m