Answer:
1st = 4×10 ^-9
2nd= 4×10^1
3rd = 4×10^7
4th = 4×10^-5
Step-by-step explanation:
for whole numbers you just have to count from the ending till the number indicated beside the x10
for decimals you count from the front starting at the decimal till you cover the whole number

recall minus * minus * minus * minus * minus is minus.
The answer is x2 + 2xy + y2.
Answer:
It's 0.3. Hope this helps!
Step-by-step explanation:
Answer:
Talib is correct i think
Step-by-step explanation: