Answer:
1 tens 3 ones
Step-by-step explanation:
All you do is count the numbers in the place value chart.
Since 31-18=13, all you do is count 10+1+1+1=13.
Answer:
rko
Step-by-step explanation:
is used<span> to write very large or very small numbers using less digits. Discover examples of </span>scientific notation used<span> in </span>real life<span> and acquire the comprehension of complex concepts such as polynomials and exponents.</span>
Answer:
17
Step-by-step explanation:
3(-2)^2 - 2(-2) + 1
12 - 2(-2) + 1
12 + 5
17