Answer:
$130
Step-by-step explanation:
If Nathan already has $90 then you would add the amount of money collected after the 4 weeks. In each week he makes $10.
The equation would be $90+($10x4)= $X
In the familiar decimal number system that we use every day, moving the place
of a digit changes its value by a power of 10 .
In a system of numbers to any other base, moving the place of a digit changes
its value by a power of whatever the base of that number system is.
<span>78</span><span>(16)</span><span>=<span><span>(<span>78</span>)</span><span>(<span>161</span>)</span></span></span><span>=<span><span><span>(7)</span><span>(16)</span></span><span><span>(8)</span><span>(1)</span></span></span></span><span>=<span>1128</span></span><span>=14</span>
Answer:
2.45 × 
Step-by-step explanation:
using the rules of exponents
• 
= 
• 
= 
evaluating the numerator
(3.8 × 
)² = 3.8² × 
= 14.44 × 
R = 
= 
× 
= 2.45 × ← to 2 dec. places
2 because you can evenly split it in half 2 different ways
