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Work out an estimate for the value of (8.1 x 198)/0.0491

So, the question has asked to "estimate" not calculate an exact answer. Therefore, the first step is to round the values into ones that are easier to work with: 8.1 -> 8 ; 198 -> 200 ; 0.0491...
NH
Answered by Naomi H. • Maths tutor
7513 Views

Simplify 7h + 5k + h - 7k

Figure out which of the variables are like terms, i.e which variables are the same and can be combined together? 7h + 5k + h - 7k Here we've added h to 7h: 8h + 5k - 7k And then, taken 7k away from 5k: 8h + ...
NH
Answered by Naomi H. • Maths tutor
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Write 0.72727272 as a fraction in its simplest form

a = 0.72727272 100a = 72.72727272 100a - a =72.72727272-0.72727272 = 72 = 99a a =72/99 so 0.72727272 = 72/99 0.72727272 refers to 0.72 where the 72 is recurring.
JH
Answered by James H. • Maths tutor
17343 Views

What did Xiao Ming do when he went to the park? 小明和爸爸昨天下午去公园踢球 A: sailing B: football C: Running D: picnic

B: football name/with whome/when/where/did what
ZS
Answered by Zhiqi S. • Mandarin tutor
3620 Views

can you explain mitosis?

Mitosis is a part of the cell cycle in which the cell divides into two. There are a number of important steps in the process of mitosis including: anaphase, metaphase, prophase and telophase. Before mitosis ...
HB
Answered by Hannah B. • Biology tutor
3231 Views