Step 2 , supposed to be 4^-15 instead of 4^-2. Always multiply the exponents together.
Answer: Chris made a mistake in step 2 -C
Answer:
no one knows
Step-by-step explanation:
lol
Answer:
£2121.80 he would have earned £121.80
Step-by-step explanation:
2000 × 1.03 = £2060
2060 × 1.03 = £2121.80
(2 Year's)
£2121.80 - £2000 = £121.80
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25
Answer: B:2^16
Step-by-step explanation:2^16=65536 and 8^3 x 2^7 = 65536